18396125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 26552448

約数和(自身を除く): 8156323

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 787, 935, 1375, 2125, 3935, 4675, 8657, 13379, 19675, 23375, 43285, 66895, 98375, 147169, 216425, 334475, 735845, 1082125, 1672375, 3679225, 18396125]

約数ペア:

[(1, 18396125), (5, 3679225), (11, 1672375), (17, 1082125), (25, 735845), (55, 334475), (85, 216425), (125, 147169), (187, 98375), (275, 66895), (425, 43285), (787, 23375), (935, 19675), (1375, 13379), (2125, 8657), (3935, 4675)]