18713990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 16900090

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1373, 2726, 2746, 6815, 6865, 13630, 13730, 39817, 64531, 79634, 129062, 199085, 322655, 398170, 645310, 1871399, 3742798, 9356995, 18713990]

約数ペア:

[(1, 18713990), (2, 9356995), (5, 3742798), (10, 1871399), (29, 645310), (47, 398170), (58, 322655), (94, 199085), (145, 129062), (235, 79634), (290, 64531), (470, 39817), (1363, 13730), (1373, 13630), (2726, 6865), (2746, 6815)]