18927125

素因数分解:

$5^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 27396096

約数和(自身を除く): 8468971

約数列:

[1, 5, 7, 25, 35, 97, 125, 175, 223, 485, 679, 875, 1115, 1561, 2425, 3395, 5575, 7805, 12125, 16975, 21631, 27875, 39025, 84875, 108155, 151417, 195125, 540775, 757085, 2703875, 3785425, 18927125]

約数ペア:

[(1, 18927125), (5, 3785425), (7, 2703875), (25, 757085), (35, 540775), (97, 195125), (125, 151417), (175, 108155), (223, 84875), (485, 39025), (679, 27875), (875, 21631), (1115, 16975), (1561, 12125), (2425, 7805), (3395, 5575)]