19625625

素因数分解:

$3^3\times 5^4\times {\mathrm{1163}}^1$

素因数の和:1192

約数の個数: 40

約数和(自身を含む): 36363360

約数和(自身を除く): 16737735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1163, 1875, 3375, 3489, 5625, 5815, 10467, 16875, 17445, 29075, 31401, 52335, 87225, 145375, 157005, 261675, 436125, 726875, 785025, 1308375, 2180625, 3925125, 6541875, 19625625]

約数ペア:

[(1, 19625625), (3, 6541875), (5, 3925125), (9, 2180625), (15, 1308375), (25, 785025), (27, 726875), (45, 436125), (75, 261675), (125, 157005), (135, 145375), (225, 87225), (375, 52335), (625, 31401), (675, 29075), (1125, 17445), (1163, 16875), (1875, 10467), (3375, 5815), (3489, 5625)]