17953240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3379

約数の個数: 32

約数和(自身を含む): 40698000

約数和(自身を除く): 22744760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3229, 5560, 6458, 12916, 16145, 25832, 32290, 64580, 129160, 448831, 897662, 1795324, 2244155, 3590648, 4488310, 8976620, 17953240]

約数ペア:

[(1, 17953240), (2, 8976620), (4, 4488310), (5, 3590648), (8, 2244155), (10, 1795324), (20, 897662), (40, 448831), (139, 129160), (278, 64580), (556, 32290), (695, 25832), (1112, 16145), (1390, 12916), (2780, 6458), (3229, 5560)]