18741870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 37867410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 419, 426, 497, 630, 639, 710, 838, 994, 1065, 1257, 1278, 1491, 2095, 2130, 2485, 2514, 2933, 2982, 3195, 3771, 4190, 4473, 4970, 5866, 6285, 6390, 7455, 7542, 8799, 8946, 12570, 14665, 14910, 17598, 18855, 22365, 26397, 29330, 29749, 37710, 43995, 44730, 52794, 59498, 87990, 89247, 131985, 148745, 178494, 208243, 263970, 267741, 297490, 416486, 446235, 535482, 624729, 892470, 1041215, 1249458, 1338705, 1874187, 2082430, 2677410, 3123645, 3748374, 6247290, 9370935, 18741870]

約数ペア:

[(1, 18741870), (2, 9370935), (3, 6247290), (5, 3748374), (6, 3123645), (7, 2677410), (9, 2082430), (10, 1874187), (14, 1338705), (15, 1249458), (18, 1041215), (21, 892470), (30, 624729), (35, 535482), (42, 446235), (45, 416486), (63, 297490), (70, 267741), (71, 263970), (90, 208243), (105, 178494), (126, 148745), (142, 131985), (210, 89247), (213, 87990), (315, 59498), (355, 52794), (419, 44730), (426, 43995), (497, 37710), (630, 29749), (639, 29330), (710, 26397), (838, 22365), (994, 18855), (1065, 17598), (1257, 14910), (1278, 14665), (1491, 12570), (2095, 8946), (2130, 8799), (2485, 7542), (2514, 7455), (2933, 6390), (2982, 6285), (3195, 5866), (3771, 4970), (4190, 4473)]