18438560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 50585472

約数和(自身を除く): 32146912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 163, 202, 224, 280, 326, 404, 505, 560, 652, 707, 808, 815, 1010, 1120, 1141, 1304, 1414, 1616, 1630, 2020, 2282, 2608, 2828, 3232, 3260, 3535, 4040, 4564, 5216, 5656, 5705, 6520, 7070, 8080, 9128, 11312, 11410, 13040, 14140, 16160, 16463, 18256, 22624, 22820, 26080, 28280, 32926, 36512, 45640, 56560, 65852, 82315, 91280, 113120, 115241, 131704, 164630, 182560, 230482, 263408, 329260, 460964, 526816, 576205, 658520, 921928, 1152410, 1317040, 1843856, 2304820, 2634080, 3687712, 4609640, 9219280, 18438560]

約数ペア:

[(1, 18438560), (2, 9219280), (4, 4609640), (5, 3687712), (7, 2634080), (8, 2304820), (10, 1843856), (14, 1317040), (16, 1152410), (20, 921928), (28, 658520), (32, 576205), (35, 526816), (40, 460964), (56, 329260), (70, 263408), (80, 230482), (101, 182560), (112, 164630), (140, 131704), (160, 115241), (163, 113120), (202, 91280), (224, 82315), (280, 65852), (326, 56560), (404, 45640), (505, 36512), (560, 32926), (652, 28280), (707, 26080), (808, 22820), (815, 22624), (1010, 18256), (1120, 16463), (1141, 16160), (1304, 14140), (1414, 13040), (1616, 11410), (1630, 11312), (2020, 9128), (2282, 8080), (2608, 7070), (2828, 6520), (3232, 5705), (3260, 5656), (3535, 5216), (4040, 4564)]