19661180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 54577152

約数和(自身を除く): 34915972

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 751, 770, 935, 1190, 1309, 1502, 1540, 1870, 2380, 2618, 3004, 3740, 3755, 5236, 5257, 6545, 7510, 8261, 10514, 12767, 13090, 15020, 16522, 21028, 25534, 26180, 26285, 33044, 41305, 51068, 52570, 57827, 63835, 82610, 89369, 105140, 115654, 127670, 140437, 165220, 178738, 231308, 255340, 280874, 289135, 357476, 446845, 561748, 578270, 702185, 893690, 983059, 1156540, 1404370, 1787380, 1966118, 2808740, 3932236, 4915295, 9830590, 19661180]

約数ペア:

[(1, 19661180), (2, 9830590), (4, 4915295), (5, 3932236), (7, 2808740), (10, 1966118), (11, 1787380), (14, 1404370), (17, 1156540), (20, 983059), (22, 893690), (28, 702185), (34, 578270), (35, 561748), (44, 446845), (55, 357476), (68, 289135), (70, 280874), (77, 255340), (85, 231308), (110, 178738), (119, 165220), (140, 140437), (154, 127670), (170, 115654), (187, 105140), (220, 89369), (238, 82610), (308, 63835), (340, 57827), (374, 52570), (385, 51068), (476, 41305), (595, 33044), (748, 26285), (751, 26180), (770, 25534), (935, 21028), (1190, 16522), (1309, 15020), (1502, 13090), (1540, 12767), (1870, 10514), (2380, 8261), (2618, 7510), (3004, 6545), (3740, 5257), (3755, 5236)]