19640372436

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1295881}}^1$

素因数の和:1296312

約数の個数: 36

約数和(自身を含む): 49764460564

約数和(自身を除く): 30124088128

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 15156, 1295881, 2591762, 3887643, 5183524, 7775286, 11662929, 15550572, 23325858, 46651716, 545565901, 1091131802, 1636697703, 2182263604, 3273395406, 4910093109, 6546790812, 9820186218, 19640372436]

約数ペア:

[(1, 19640372436), (2, 9820186218), (3, 6546790812), (4, 4910093109), (6, 3273395406), (9, 2182263604), (12, 1636697703), (18, 1091131802), (36, 545565901), (421, 46651716), (842, 23325858), (1263, 15550572), (1684, 11662929), (2526, 7775286), (3789, 5183524), (5052, 3887643), (7578, 2591762), (15156, 1295881)]