19265080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 47083680

約数和(自身を除く): 27818600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 691, 697, 820, 1382, 1394, 1640, 2764, 2788, 3455, 3485, 5528, 5576, 6910, 6970, 11747, 13820, 13940, 23494, 27640, 27880, 28331, 46988, 56662, 58735, 93976, 113324, 117470, 141655, 226648, 234940, 283310, 469880, 481627, 566620, 963254, 1133240, 1926508, 2408135, 3853016, 4816270, 9632540, 19265080]

約数ペア:

[(1, 19265080), (2, 9632540), (4, 4816270), (5, 3853016), (8, 2408135), (10, 1926508), (17, 1133240), (20, 963254), (34, 566620), (40, 481627), (41, 469880), (68, 283310), (82, 234940), (85, 226648), (136, 141655), (164, 117470), (170, 113324), (205, 93976), (328, 58735), (340, 56662), (410, 46988), (680, 28331), (691, 27880), (697, 27640), (820, 23494), (1382, 13940), (1394, 13820), (1640, 11747), (2764, 6970), (2788, 6910), (3455, 5576), (3485, 5528)]