18975110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1341

約数の個数: 64

約数和(自身を含む): 44858880

約数和(自身を除く): 25883770

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1297, 1330, 1463, 2090, 2594, 2926, 6485, 7315, 9079, 12970, 14267, 14630, 18158, 24643, 28534, 45395, 49286, 71335, 90790, 99869, 123215, 142670, 172501, 199738, 246430, 271073, 345002, 499345, 542146, 862505, 998690, 1355365, 1725010, 1897511, 2710730, 3795022, 9487555, 18975110]

約数ペア:

[(1, 18975110), (2, 9487555), (5, 3795022), (7, 2710730), (10, 1897511), (11, 1725010), (14, 1355365), (19, 998690), (22, 862505), (35, 542146), (38, 499345), (55, 345002), (70, 271073), (77, 246430), (95, 199738), (110, 172501), (133, 142670), (154, 123215), (190, 99869), (209, 90790), (266, 71335), (385, 49286), (418, 45395), (665, 28534), (770, 24643), (1045, 18158), (1297, 14630), (1330, 14267), (1463, 12970), (2090, 9079), (2594, 7315), (2926, 6485)]