18475325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 26331648

約数和(自身を除く): 7856323

約数列:

[1, 5, 11, 23, 25, 55, 115, 127, 253, 275, 529, 575, 635, 1265, 1397, 2645, 2921, 3175, 5819, 6325, 6985, 13225, 14605, 29095, 32131, 34925, 67183, 73025, 145475, 160655, 335915, 739013, 803275, 1679575, 3695065, 18475325]

約数ペア:

[(1, 18475325), (5, 3695065), (11, 1679575), (23, 803275), (25, 739013), (55, 335915), (115, 160655), (127, 145475), (253, 73025), (275, 67183), (529, 34925), (575, 32131), (635, 29095), (1265, 14605), (1397, 13225), (2645, 6985), (2921, 6325), (3175, 5819)]