18951446930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5026909}}^1$

素因数の和:5026958

約数の個数: 32

約数和(自身を含む): 38003439600

約数和(自身を除く): 19051992670

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5026909, 10053818, 25134545, 50269090, 65349817, 130699634, 145780361, 291560722, 326749085, 653498170, 728901805, 1457803610, 1895144693, 3790289386, 9475723465, 18951446930]

約数ペア:

[(1, 18951446930), (2, 9475723465), (5, 3790289386), (10, 1895144693), (13, 1457803610), (26, 728901805), (29, 653498170), (58, 326749085), (65, 291560722), (130, 145780361), (145, 130699634), (290, 65349817), (377, 50269090), (754, 25134545), (1885, 10053818), (3770, 5026909)]