19907238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15013}}^1$

素因数の和:15048

約数の個数: 32

約数和(自身を含む): 45402336

約数和(自身を除く): 25495098

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15013, 30026, 45039, 90078, 195169, 255221, 390338, 510442, 585507, 765663, 1171014, 1531326, 3317873, 6635746, 9953619, 19907238]

約数ペア:

[(1, 19907238), (2, 9953619), (3, 6635746), (6, 3317873), (13, 1531326), (17, 1171014), (26, 765663), (34, 585507), (39, 510442), (51, 390338), (78, 255221), (102, 195169), (221, 90078), (442, 45039), (663, 30026), (1326, 15013)]