19742040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 69638400

約数和(自身を除く): 49896360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 61, 62, 72, 87, 90, 93, 116, 120, 122, 124, 145, 155, 174, 180, 183, 186, 232, 244, 248, 261, 279, 290, 305, 310, 348, 360, 366, 372, 435, 465, 488, 522, 549, 558, 580, 610, 620, 696, 732, 744, 870, 899, 915, 930, 1044, 1098, 1116, 1160, 1220, 1240, 1305, 1395, 1464, 1740, 1769, 1798, 1830, 1860, 1891, 2088, 2196, 2232, 2440, 2610, 2697, 2745, 2790, 3480, 3538, 3596, 3660, 3720, 3782, 4392, 4495, 5220, 5307, 5394, 5490, 5580, 5673, 7076, 7192, 7320, 7564, 8091, 8845, 8990, 9455, 10440, 10614, 10788, 10980, 11160, 11346, 13485, 14152, 15128, 15921, 16182, 17019, 17690, 17980, 18910, 21228, 21576, 21960, 22692, 26535, 26970, 28365, 31842, 32364, 34038, 35380, 35960, 37820, 40455, 42456, 45384, 53070, 53940, 54839, 56730, 63684, 64728, 68076, 70760, 75640, 79605, 80910, 85095, 106140, 107880, 109678, 113460, 127368, 136152, 159210, 161820, 164517, 170190, 212280, 219356, 226920, 274195, 318420, 323640, 329034, 340380, 438712, 493551, 548390, 636840, 658068, 680760, 822585, 987102, 1096780, 1316136, 1645170, 1974204, 2193560, 2467755, 3290340, 3948408, 4935510, 6580680, 9871020, 19742040]

約数ペア:

[(1, 19742040), (2, 9871020), (3, 6580680), (4, 4935510), (5, 3948408), (6, 3290340), (8, 2467755), (9, 2193560), (10, 1974204), (12, 1645170), (15, 1316136), (18, 1096780), (20, 987102), (24, 822585), (29, 680760), (30, 658068), (31, 636840), (36, 548390), (40, 493551), (45, 438712), (58, 340380), (60, 329034), (61, 323640), (62, 318420), (72, 274195), (87, 226920), (90, 219356), (93, 212280), (116, 170190), (120, 164517), (122, 161820), (124, 159210), (145, 136152), (155, 127368), (174, 113460), (180, 109678), (183, 107880), (186, 106140), (232, 85095), (244, 80910), (248, 79605), (261, 75640), (279, 70760), (290, 68076), (305, 64728), (310, 63684), (348, 56730), (360, 54839), (366, 53940), (372, 53070), (435, 45384), (465, 42456), (488, 40455), (522, 37820), (549, 35960), (558, 35380), (580, 34038), (610, 32364), (620, 31842), (696, 28365), (732, 26970), (744, 26535), (870, 22692), (899, 21960), (915, 21576), (930, 21228), (1044, 18910), (1098, 17980), (1116, 17690), (1160, 17019), (1220, 16182), (1240, 15921), (1305, 15128), (1395, 14152), (1464, 13485), (1740, 11346), (1769, 11160), (1798, 10980), (1830, 10788), (1860, 10614), (1891, 10440), (2088, 9455), (2196, 8990), (2232, 8845), (2440, 8091), (2610, 7564), (2697, 7320), (2745, 7192), (2790, 7076), (3480, 5673), (3538, 5580), (3596, 5490), (3660, 5394), (3720, 5307), (3782, 5220), (4392, 4495)]