19642575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 34640640

約数和(自身を除く): 14998065

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 177, 193, 295, 345, 575, 579, 885, 965, 1357, 1475, 1725, 2895, 4071, 4425, 4439, 4825, 6785, 11387, 13317, 14475, 20355, 22195, 33925, 34161, 56935, 66585, 101775, 110975, 170805, 261901, 284675, 332925, 785703, 854025, 1309505, 3928515, 6547525, 19642575]

約数ペア:

[(1, 19642575), (3, 6547525), (5, 3928515), (15, 1309505), (23, 854025), (25, 785703), (59, 332925), (69, 284675), (75, 261901), (115, 170805), (177, 110975), (193, 101775), (295, 66585), (345, 56935), (575, 34161), (579, 33925), (885, 22195), (965, 20355), (1357, 14475), (1475, 13317), (1725, 11387), (2895, 6785), (4071, 4825), (4425, 4439)]