18893902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 32208192

約数和(自身を除く): 13314290

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 653, 782, 851, 1258, 1306, 1702, 11101, 14467, 15019, 22202, 24161, 28934, 30038, 48322, 255323, 410737, 510646, 555703, 821474, 1111406, 9446951, 18893902]

約数ペア:

[(1, 18893902), (2, 9446951), (17, 1111406), (23, 821474), (34, 555703), (37, 510646), (46, 410737), (74, 255323), (391, 48322), (629, 30038), (653, 28934), (782, 24161), (851, 22202), (1258, 15019), (1306, 14467), (1702, 11101)]