18710608

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 45425664

約数和(自身を除く): 26715056

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 317, 434, 476, 496, 527, 634, 868, 952, 1054, 1268, 1736, 1904, 2108, 2219, 2536, 3472, 3689, 4216, 4438, 5072, 5389, 7378, 8432, 8876, 9827, 10778, 14756, 17752, 19654, 21556, 29512, 35504, 37723, 39308, 43112, 59024, 68789, 75446, 78616, 86224, 137578, 150892, 157232, 167059, 275156, 301784, 334118, 550312, 603568, 668236, 1100624, 1169413, 1336472, 2338826, 2672944, 4677652, 9355304, 18710608]

約数ペア:

[(1, 18710608), (2, 9355304), (4, 4677652), (7, 2672944), (8, 2338826), (14, 1336472), (16, 1169413), (17, 1100624), (28, 668236), (31, 603568), (34, 550312), (56, 334118), (62, 301784), (68, 275156), (112, 167059), (119, 157232), (124, 150892), (136, 137578), (217, 86224), (238, 78616), (248, 75446), (272, 68789), (317, 59024), (434, 43112), (476, 39308), (496, 37723), (527, 35504), (634, 29512), (868, 21556), (952, 19654), (1054, 17752), (1268, 14756), (1736, 10778), (1904, 9827), (2108, 8876), (2219, 8432), (2536, 7378), (3472, 5389), (3689, 5072), (4216, 4438)]