19637163

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23977}}^1$

素因数の和:24003

約数の個数: 24

約数和(自身を含む): 34911968

約数和(自身を除く): 15274805

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23977, 71931, 167839, 215793, 311701, 503517, 935103, 1510551, 2181907, 2805309, 6545721, 19637163]

約数ペア:

[(1, 19637163), (3, 6545721), (7, 2805309), (9, 2181907), (13, 1510551), (21, 935103), (39, 503517), (63, 311701), (91, 215793), (117, 167839), (273, 71931), (819, 23977)]