18659760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 49907280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 383, 406, 420, 435, 464, 560, 580, 609, 696, 766, 812, 840, 870, 1015, 1149, 1160, 1218, 1392, 1532, 1624, 1680, 1740, 1915, 2030, 2298, 2320, 2436, 2681, 3045, 3064, 3248, 3480, 3830, 4060, 4596, 4872, 5362, 5745, 6090, 6128, 6960, 7660, 8043, 8120, 9192, 9744, 10724, 11107, 11490, 12180, 13405, 15320, 16086, 16240, 18384, 21448, 22214, 22980, 24360, 26810, 30640, 32172, 33321, 40215, 42896, 44428, 45960, 48720, 53620, 55535, 64344, 66642, 77749, 80430, 88856, 91920, 107240, 111070, 128688, 133284, 155498, 160860, 166605, 177712, 214480, 222140, 233247, 266568, 310996, 321720, 333210, 388745, 444280, 466494, 533136, 621992, 643440, 666420, 777490, 888560, 932988, 1166235, 1243984, 1332840, 1554980, 1865976, 2332470, 2665680, 3109960, 3731952, 4664940, 6219920, 9329880, 18659760]

約数ペア:

[(1, 18659760), (2, 9329880), (3, 6219920), (4, 4664940), (5, 3731952), (6, 3109960), (7, 2665680), (8, 2332470), (10, 1865976), (12, 1554980), (14, 1332840), (15, 1243984), (16, 1166235), (20, 932988), (21, 888560), (24, 777490), (28, 666420), (29, 643440), (30, 621992), (35, 533136), (40, 466494), (42, 444280), (48, 388745), (56, 333210), (58, 321720), (60, 310996), (70, 266568), (80, 233247), (84, 222140), (87, 214480), (105, 177712), (112, 166605), (116, 160860), (120, 155498), (140, 133284), (145, 128688), (168, 111070), (174, 107240), (203, 91920), (210, 88856), (232, 80430), (240, 77749), (280, 66642), (290, 64344), (336, 55535), (348, 53620), (383, 48720), (406, 45960), (420, 44428), (435, 42896), (464, 40215), (560, 33321), (580, 32172), (609, 30640), (696, 26810), (766, 24360), (812, 22980), (840, 22214), (870, 21448), (1015, 18384), (1149, 16240), (1160, 16086), (1218, 15320), (1392, 13405), (1532, 12180), (1624, 11490), (1680, 11107), (1740, 10724), (1915, 9744), (2030, 9192), (2298, 8120), (2320, 8043), (2436, 7660), (2681, 6960), (3045, 6128), (3064, 6090), (3248, 5745), (3480, 5362), (3830, 4872), (4060, 4596)]