19005038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 32622912

約数和(自身を除く): 13617874

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 521, 598, 793, 1042, 1403, 1586, 2806, 6773, 11983, 13546, 18239, 23966, 31781, 36478, 63562, 155779, 311558, 413153, 730963, 826306, 1461926, 9502519, 19005038]

約数ペア:

[(1, 19005038), (2, 9502519), (13, 1461926), (23, 826306), (26, 730963), (46, 413153), (61, 311558), (122, 155779), (299, 63562), (521, 36478), (598, 31781), (793, 23966), (1042, 18239), (1403, 13546), (1586, 11983), (2806, 6773)]