18787340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6569}}^1$

素因数の和:6602

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 27570580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6569, 13138, 26276, 32845, 65690, 72259, 85397, 131380, 144518, 170794, 289036, 341588, 361295, 426985, 722590, 853970, 939367, 1445180, 1707940, 1878734, 3757468, 4696835, 9393670, 18787340]

約数ペア:

[(1, 18787340), (2, 9393670), (4, 4696835), (5, 3757468), (10, 1878734), (11, 1707940), (13, 1445180), (20, 939367), (22, 853970), (26, 722590), (44, 426985), (52, 361295), (55, 341588), (65, 289036), (110, 170794), (130, 144518), (143, 131380), (220, 85397), (260, 72259), (286, 65690), (572, 32845), (715, 26276), (1430, 13138), (2860, 6569)]