18314440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 45567360

約数和(自身を除く): 27252920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1171, 1564, 1955, 2342, 3128, 3910, 4684, 5855, 7820, 9368, 11710, 15640, 19907, 23420, 26933, 39814, 46840, 53866, 79628, 99535, 107732, 134665, 159256, 199070, 215464, 269330, 398140, 457861, 538660, 796280, 915722, 1077320, 1831444, 2289305, 3662888, 4578610, 9157220, 18314440]

約数ペア:

[(1, 18314440), (2, 9157220), (4, 4578610), (5, 3662888), (8, 2289305), (10, 1831444), (17, 1077320), (20, 915722), (23, 796280), (34, 538660), (40, 457861), (46, 398140), (68, 269330), (85, 215464), (92, 199070), (115, 159256), (136, 134665), (170, 107732), (184, 99535), (230, 79628), (340, 53866), (391, 46840), (460, 39814), (680, 26933), (782, 23420), (920, 19907), (1171, 15640), (1564, 11710), (1955, 9368), (2342, 7820), (3128, 5855), (3910, 4684)]