19130332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 37865632

約数和(自身を除く): 18735300

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 122, 148, 163, 244, 326, 481, 652, 793, 962, 1586, 1924, 2119, 2257, 3172, 4238, 4514, 6031, 8476, 9028, 9943, 12062, 19886, 24124, 29341, 39772, 58682, 78403, 117364, 129259, 156806, 258518, 313612, 367891, 517036, 735782, 1471564, 4782583, 9565166, 19130332]

約数ペア:

[(1, 19130332), (2, 9565166), (4, 4782583), (13, 1471564), (26, 735782), (37, 517036), (52, 367891), (61, 313612), (74, 258518), (122, 156806), (148, 129259), (163, 117364), (244, 78403), (326, 58682), (481, 39772), (652, 29341), (793, 24124), (962, 19886), (1586, 12062), (1924, 9943), (2119, 9028), (2257, 8476), (3172, 6031), (4238, 4514)]