18279660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 59415552

約数和(自身を除く): 41135892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 613, 710, 852, 994, 1065, 1226, 1420, 1491, 1839, 1988, 2130, 2452, 2485, 2982, 3065, 3678, 4260, 4291, 4970, 5964, 6130, 7356, 7455, 8582, 9195, 9940, 12260, 12873, 14910, 17164, 18390, 21455, 25746, 29820, 36780, 42910, 43523, 51492, 64365, 85820, 87046, 128730, 130569, 174092, 217615, 257460, 261138, 304661, 435230, 522276, 609322, 652845, 870460, 913983, 1218644, 1305690, 1523305, 1827966, 2611380, 3046610, 3655932, 4569915, 6093220, 9139830, 18279660]

約数ペア:

[(1, 18279660), (2, 9139830), (3, 6093220), (4, 4569915), (5, 3655932), (6, 3046610), (7, 2611380), (10, 1827966), (12, 1523305), (14, 1305690), (15, 1218644), (20, 913983), (21, 870460), (28, 652845), (30, 609322), (35, 522276), (42, 435230), (60, 304661), (70, 261138), (71, 257460), (84, 217615), (105, 174092), (140, 130569), (142, 128730), (210, 87046), (213, 85820), (284, 64365), (355, 51492), (420, 43523), (426, 42910), (497, 36780), (613, 29820), (710, 25746), (852, 21455), (994, 18390), (1065, 17164), (1226, 14910), (1420, 12873), (1491, 12260), (1839, 9940), (1988, 9195), (2130, 8582), (2452, 7455), (2485, 7356), (2982, 6130), (3065, 5964), (3678, 4970), (4260, 4291)]