19161142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 40932864

約数和(自身を除く): 21771722

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 374, 442, 563, 1001, 1126, 1309, 1547, 2002, 2431, 2618, 3094, 3941, 4862, 6193, 7319, 7882, 9571, 12386, 14638, 17017, 19142, 34034, 43351, 51233, 66997, 80509, 86702, 102466, 105281, 124423, 133994, 161018, 210562, 248846, 563563, 736967, 870961, 1127126, 1368653, 1473934, 1741922, 2737306, 9580571, 19161142]

約数ペア:

[(1, 19161142), (2, 9580571), (7, 2737306), (11, 1741922), (13, 1473934), (14, 1368653), (17, 1127126), (22, 870961), (26, 736967), (34, 563563), (77, 248846), (91, 210562), (119, 161018), (143, 133994), (154, 124423), (182, 105281), (187, 102466), (221, 86702), (238, 80509), (286, 66997), (374, 51233), (442, 43351), (563, 34034), (1001, 19142), (1126, 17017), (1309, 14638), (1547, 12386), (2002, 9571), (2431, 7882), (2618, 7319), (3094, 6193), (3941, 4862)]