19853460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 67721472

約数和(自身を除く): 47868012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 271, 330, 333, 370, 396, 407, 444, 495, 542, 555, 660, 666, 740, 813, 814, 990, 1084, 1110, 1221, 1332, 1355, 1626, 1628, 1665, 1980, 2035, 2220, 2439, 2442, 2710, 2981, 3252, 3330, 3663, 4065, 4070, 4878, 4884, 5420, 5962, 6105, 6660, 7326, 8130, 8140, 8943, 9756, 10027, 11924, 12195, 12210, 14652, 14905, 16260, 17886, 18315, 20054, 24390, 24420, 26829, 29810, 30081, 35772, 36630, 40108, 44715, 48780, 50135, 53658, 59620, 60162, 73260, 89430, 90243, 100270, 107316, 110297, 120324, 134145, 150405, 178860, 180486, 200540, 220594, 268290, 300810, 330891, 360972, 441188, 451215, 536580, 551485, 601620, 661782, 902430, 992673, 1102970, 1323564, 1654455, 1804860, 1985346, 2205940, 3308910, 3970692, 4963365, 6617820, 9926730, 19853460]

約数ペア:

[(1, 19853460), (2, 9926730), (3, 6617820), (4, 4963365), (5, 3970692), (6, 3308910), (9, 2205940), (10, 1985346), (11, 1804860), (12, 1654455), (15, 1323564), (18, 1102970), (20, 992673), (22, 902430), (30, 661782), (33, 601620), (36, 551485), (37, 536580), (44, 451215), (45, 441188), (55, 360972), (60, 330891), (66, 300810), (74, 268290), (90, 220594), (99, 200540), (110, 180486), (111, 178860), (132, 150405), (148, 134145), (165, 120324), (180, 110297), (185, 107316), (198, 100270), (220, 90243), (222, 89430), (271, 73260), (330, 60162), (333, 59620), (370, 53658), (396, 50135), (407, 48780), (444, 44715), (495, 40108), (542, 36630), (555, 35772), (660, 30081), (666, 29810), (740, 26829), (813, 24420), (814, 24390), (990, 20054), (1084, 18315), (1110, 17886), (1221, 16260), (1332, 14905), (1355, 14652), (1626, 12210), (1628, 12195), (1665, 11924), (1980, 10027), (2035, 9756), (2220, 8943), (2439, 8140), (2442, 8130), (2710, 7326), (2981, 6660), (3252, 6105), (3330, 5962), (3663, 5420), (4065, 4884), (4070, 4878)]