19526103

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 31223808

約数和(自身を除く): 11697705

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 223, 423, 621, 669, 1081, 1269, 1863, 2007, 3243, 3807, 5129, 6021, 9729, 10481, 15387, 18063, 29187, 31443, 46161, 87561, 94329, 138483, 241063, 282987, 415449, 723189, 848961, 2169567, 6508701, 19526103]

約数ペア:

[(1, 19526103), (3, 6508701), (9, 2169567), (23, 848961), (27, 723189), (47, 415449), (69, 282987), (81, 241063), (141, 138483), (207, 94329), (223, 87561), (423, 46161), (621, 31443), (669, 29187), (1081, 18063), (1269, 15387), (1863, 10481), (2007, 9729), (3243, 6021), (3807, 5129)]