19870994934

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1771981}}^1$

素因数の和:1772085

約数の個数: 48

約数和(自身を含む): 49757254560

約数和(自身を除く): 29886259626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1869, 3738, 5607, 11214, 1771981, 3543962, 5315943, 10631886, 12403867, 15947829, 24807734, 31895658, 37211601, 74423202, 111634803, 157706309, 223269606, 315412618, 473118927, 946237854, 1103944163, 1419356781, 2207888326, 2838713562, 3311832489, 6623664978, 9935497467, 19870994934]

約数ペア:

[(1, 19870994934), (2, 9935497467), (3, 6623664978), (6, 3311832489), (7, 2838713562), (9, 2207888326), (14, 1419356781), (18, 1103944163), (21, 946237854), (42, 473118927), (63, 315412618), (89, 223269606), (126, 157706309), (178, 111634803), (267, 74423202), (534, 37211601), (623, 31895658), (801, 24807734), (1246, 15947829), (1602, 12403867), (1869, 10631886), (3738, 5315943), (5607, 3543962), (11214, 1771981)]