19994612175

素因数分解:

$3^2\times 5^2\times {\mathrm{2081}}^1\times {\mathrm{42703}}^1$

素因数の和:44800

約数の個数: 36

約数和(自身を含む): 35830620384

約数和(自身を除く): 15836008209

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2081, 6243, 10405, 18729, 31215, 42703, 52025, 93645, 128109, 156075, 213515, 384327, 468225, 640545, 1067575, 1921635, 3202725, 9608175, 88864943, 266594829, 444324715, 799784487, 1332974145, 2221623575, 3998922435, 6664870725, 19994612175]

約数ペア:

[(1, 19994612175), (3, 6664870725), (5, 3998922435), (9, 2221623575), (15, 1332974145), (25, 799784487), (45, 444324715), (75, 266594829), (225, 88864943), (2081, 9608175), (6243, 3202725), (10405, 1921635), (18729, 1067575), (31215, 640545), (42703, 468225), (52025, 384327), (93645, 213515), (128109, 156075)]