18223475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 24185952

約数和(自身を除く): 5962477

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 773, 943, 1025, 3865, 4715, 17779, 19325, 23575, 31693, 88895, 158465, 444475, 728939, 792325, 3644695, 18223475]

約数ペア:

[(1, 18223475), (5, 3644695), (23, 792325), (25, 728939), (41, 444475), (115, 158465), (205, 88895), (575, 31693), (773, 23575), (943, 19325), (1025, 17779), (3865, 4715)]