19011916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3631}}^1$

素因数の和:3670

約数の個数: 48

約数和(自身を含む): 43932672

約数和(自身を除く): 24920756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3631, 5236, 7262, 14524, 25417, 39941, 50834, 61727, 79882, 101668, 123454, 159764, 246908, 279587, 432089, 559174, 678997, 864178, 1118348, 1357994, 1728356, 2715988, 4752979, 9505958, 19011916]

約数ペア:

[(1, 19011916), (2, 9505958), (4, 4752979), (7, 2715988), (11, 1728356), (14, 1357994), (17, 1118348), (22, 864178), (28, 678997), (34, 559174), (44, 432089), (68, 279587), (77, 246908), (119, 159764), (154, 123454), (187, 101668), (238, 79882), (308, 61727), (374, 50834), (476, 39941), (748, 25417), (1309, 14524), (2618, 7262), (3631, 5236)]