18820440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2273}}^1$

素因数の和:2313

約数の個数: 96

約数和(自身を含む): 63853920

約数和(自身を除く): 45033480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2273, 2760, 4140, 4546, 6819, 8280, 9092, 11365, 13638, 18184, 20457, 22730, 27276, 34095, 40914, 45460, 52279, 54552, 68190, 81828, 90920, 102285, 104558, 136380, 156837, 163656, 204570, 209116, 261395, 272760, 313674, 409140, 418232, 470511, 522790, 627348, 784185, 818280, 941022, 1045580, 1254696, 1568370, 1882044, 2091160, 2352555, 3136740, 3764088, 4705110, 6273480, 9410220, 18820440]

約数ペア:

[(1, 18820440), (2, 9410220), (3, 6273480), (4, 4705110), (5, 3764088), (6, 3136740), (8, 2352555), (9, 2091160), (10, 1882044), (12, 1568370), (15, 1254696), (18, 1045580), (20, 941022), (23, 818280), (24, 784185), (30, 627348), (36, 522790), (40, 470511), (45, 418232), (46, 409140), (60, 313674), (69, 272760), (72, 261395), (90, 209116), (92, 204570), (115, 163656), (120, 156837), (138, 136380), (180, 104558), (184, 102285), (207, 90920), (230, 81828), (276, 68190), (345, 54552), (360, 52279), (414, 45460), (460, 40914), (552, 34095), (690, 27276), (828, 22730), (920, 20457), (1035, 18184), (1380, 13638), (1656, 11365), (2070, 9092), (2273, 8280), (2760, 6819), (4140, 4546)]