17927860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 40509504

約数和(自身を除く): 22581644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 787, 1139, 1340, 1574, 2278, 3148, 3935, 4556, 5695, 7870, 11390, 13379, 15740, 22780, 26758, 52729, 53516, 66895, 105458, 133790, 210916, 263645, 267580, 527290, 896393, 1054580, 1792786, 3585572, 4481965, 8963930, 17927860]

約数ペア:

[(1, 17927860), (2, 8963930), (4, 4481965), (5, 3585572), (10, 1792786), (17, 1054580), (20, 896393), (34, 527290), (67, 267580), (68, 263645), (85, 210916), (134, 133790), (170, 105458), (268, 66895), (335, 53516), (340, 52729), (670, 26758), (787, 22780), (1139, 15740), (1340, 13379), (1574, 11390), (2278, 7870), (3148, 5695), (3935, 4556)]