19707380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 52641792

約数和(自身を除く): 32934412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 191, 220, 268, 308, 335, 382, 385, 469, 670, 737, 764, 770, 938, 955, 1337, 1340, 1474, 1540, 1876, 1910, 2101, 2345, 2674, 2948, 3685, 3820, 4202, 4690, 5159, 5348, 6685, 7370, 8404, 9380, 10318, 10505, 12797, 13370, 14707, 14740, 20636, 21010, 25594, 25795, 26740, 29414, 42020, 51188, 51590, 58828, 63985, 73535, 89579, 103180, 127970, 140767, 147070, 179158, 255940, 281534, 294140, 358316, 447895, 563068, 703835, 895790, 985369, 1407670, 1791580, 1970738, 2815340, 3941476, 4926845, 9853690, 19707380]

約数ペア:

[(1, 19707380), (2, 9853690), (4, 4926845), (5, 3941476), (7, 2815340), (10, 1970738), (11, 1791580), (14, 1407670), (20, 985369), (22, 895790), (28, 703835), (35, 563068), (44, 447895), (55, 358316), (67, 294140), (70, 281534), (77, 255940), (110, 179158), (134, 147070), (140, 140767), (154, 127970), (191, 103180), (220, 89579), (268, 73535), (308, 63985), (335, 58828), (382, 51590), (385, 51188), (469, 42020), (670, 29414), (737, 26740), (764, 25795), (770, 25594), (938, 21010), (955, 20636), (1337, 14740), (1340, 14707), (1474, 13370), (1540, 12797), (1876, 10505), (1910, 10318), (2101, 9380), (2345, 8404), (2674, 7370), (2948, 6685), (3685, 5348), (3820, 5159), (4202, 4690)]