18872994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2281}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 43376256

約数和(自身を除く): 24503262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2281, 2758, 4137, 4562, 6843, 8274, 13686, 15967, 31934, 47901, 95802, 449357, 898714, 1348071, 2696142, 3145499, 6290998, 9436497, 18872994]

約数ペア:

[(1, 18872994), (2, 9436497), (3, 6290998), (6, 3145499), (7, 2696142), (14, 1348071), (21, 898714), (42, 449357), (197, 95802), (394, 47901), (591, 31934), (1182, 15967), (1379, 13686), (2281, 8274), (2758, 6843), (4137, 4562)]