19674220225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{198179}}^1$

素因数の和:198238

約数の個数: 36

約数和(自身を含む): 28088447760

約数和(自身を除く): 8414227535

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1805, 3971, 5225, 9025, 19855, 99275, 198179, 990895, 2179969, 3765401, 4954475, 10899845, 18827005, 41419411, 54499225, 71542619, 94135025, 207097055, 357713095, 786968809, 1035485275, 1788565475, 3934844045, 19674220225]

約数ペア:

[(1, 19674220225), (5, 3934844045), (11, 1788565475), (19, 1035485275), (25, 786968809), (55, 357713095), (95, 207097055), (209, 94135025), (275, 71542619), (361, 54499225), (475, 41419411), (1045, 18827005), (1805, 10899845), (3971, 4954475), (5225, 3765401), (9025, 2179969), (19855, 990895), (99275, 198179)]