19805328

素因数分解:

$2^4\times 3^2\times {\mathrm{137537}}^1$

素因数の和:137551

約数の個数: 30

約数和(自身を含む): 55427814

約数和(自身を除く): 35622486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137537, 275074, 412611, 550148, 825222, 1100296, 1237833, 1650444, 2200592, 2475666, 3300888, 4951332, 6601776, 9902664, 19805328]

約数ペア:

[(1, 19805328), (2, 9902664), (3, 6601776), (4, 4951332), (6, 3300888), (8, 2475666), (9, 2200592), (12, 1650444), (16, 1237833), (18, 1100296), (24, 825222), (36, 550148), (48, 412611), (72, 275074), (144, 137537)]