18407675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 28331520

約数和(自身を除く): 9923845

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 271, 275, 325, 475, 715, 1045, 1235, 1355, 2717, 2981, 3523, 3575, 5149, 5225, 6175, 6775, 13585, 14905, 17615, 25745, 38753, 56639, 66937, 67925, 74525, 88075, 128725, 193765, 283195, 334685, 736307, 968825, 1415975, 1673425, 3681535, 18407675]

約数ペア:

[(1, 18407675), (5, 3681535), (11, 1673425), (13, 1415975), (19, 968825), (25, 736307), (55, 334685), (65, 283195), (95, 193765), (143, 128725), (209, 88075), (247, 74525), (271, 67925), (275, 66937), (325, 56639), (475, 38753), (715, 25745), (1045, 17615), (1235, 14905), (1355, 13585), (2717, 6775), (2981, 6175), (3523, 5225), (3575, 5149)]