19018376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 23075704

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 347, 403, 442, 527, 694, 806, 884, 1054, 1388, 1612, 1768, 2108, 2776, 3224, 4216, 4511, 5899, 6851, 9022, 10757, 11798, 13702, 18044, 21514, 23596, 27404, 36088, 43028, 47192, 54808, 76687, 86056, 139841, 153374, 182869, 279682, 306748, 365738, 559364, 613496, 731476, 1118728, 1462952, 2377297, 4754594, 9509188, 19018376]

約数ペア:

[(1, 19018376), (2, 9509188), (4, 4754594), (8, 2377297), (13, 1462952), (17, 1118728), (26, 731476), (31, 613496), (34, 559364), (52, 365738), (62, 306748), (68, 279682), (104, 182869), (124, 153374), (136, 139841), (221, 86056), (248, 76687), (347, 54808), (403, 47192), (442, 43028), (527, 36088), (694, 27404), (806, 23596), (884, 21514), (1054, 18044), (1388, 13702), (1612, 11798), (1768, 10757), (2108, 9022), (2776, 6851), (3224, 5899), (4216, 4511)]