18965141690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1\times {\mathrm{3797}}^1$

素因数の和:6503

約数の個数: 64

約数和(自身を含む): 39456419328

約数和(自身を除く): 20491277638

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 2671, 3797, 5342, 7594, 13355, 18985, 26710, 29381, 37970, 41767, 45407, 58762, 64549, 83534, 90814, 129098, 146905, 208835, 227035, 293810, 322745, 417670, 454070, 499477, 645490, 710039, 998954, 1420078, 2497385, 3550195, 4994770, 7100390, 10141787, 20283574, 50708935, 101417870, 111559657, 172410379, 223119314, 344820758, 557798285, 862051895, 1115596570, 1724103790, 1896514169, 3793028338, 9482570845, 18965141690]

約数ペア:

[(1, 18965141690), (2, 9482570845), (5, 3793028338), (10, 1896514169), (11, 1724103790), (17, 1115596570), (22, 862051895), (34, 557798285), (55, 344820758), (85, 223119314), (110, 172410379), (170, 111559657), (187, 101417870), (374, 50708935), (935, 20283574), (1870, 10141787), (2671, 7100390), (3797, 4994770), (5342, 3550195), (7594, 2497385), (13355, 1420078), (18985, 998954), (26710, 710039), (29381, 645490), (37970, 499477), (41767, 454070), (45407, 417670), (58762, 322745), (64549, 293810), (83534, 227035), (90814, 208835), (129098, 146905)]