18987434180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{99089}}^1$

素因数の和:99189

約数の個数: 96

約数和(自身を含む): 47544174720

約数和(自身を除く): 28556740540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 130, 134, 143, 220, 260, 268, 286, 335, 572, 670, 715, 737, 871, 1340, 1430, 1474, 1742, 2860, 2948, 3484, 3685, 4355, 7370, 8710, 9581, 14740, 17420, 19162, 38324, 47905, 95810, 99089, 191620, 198178, 396356, 495445, 990890, 1089979, 1288157, 1981780, 2179958, 2576314, 4359916, 5152628, 5449895, 6440785, 6638963, 10899790, 12881570, 13277926, 14169727, 21799580, 25763140, 26555852, 28339454, 33194815, 56678908, 66389630, 70848635, 73028593, 86306519, 132779260, 141697270, 146057186, 172613038, 283394540, 292114372, 345226076, 365142965, 431532595, 730285930, 863065190, 949371709, 1460571860, 1726130380, 1898743418, 3797486836, 4746858545, 9493717090, 18987434180]

約数ペア:

[(1, 18987434180), (2, 9493717090), (4, 4746858545), (5, 3797486836), (10, 1898743418), (11, 1726130380), (13, 1460571860), (20, 949371709), (22, 863065190), (26, 730285930), (44, 431532595), (52, 365142965), (55, 345226076), (65, 292114372), (67, 283394540), (110, 172613038), (130, 146057186), (134, 141697270), (143, 132779260), (220, 86306519), (260, 73028593), (268, 70848635), (286, 66389630), (335, 56678908), (572, 33194815), (670, 28339454), (715, 26555852), (737, 25763140), (871, 21799580), (1340, 14169727), (1430, 13277926), (1474, 12881570), (1742, 10899790), (2860, 6638963), (2948, 6440785), (3484, 5449895), (3685, 5152628), (4355, 4359916), (7370, 2576314), (8710, 2179958), (9581, 1981780), (14740, 1288157), (17420, 1089979), (19162, 990890), (38324, 495445), (47905, 396356), (95810, 198178), (99089, 191620)]