18663100

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{967}}^1$

素因数の和:1174

約数の個数: 36

約数和(自身を含む): 40750864

約数和(自身を除く): 22087764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 967, 1930, 1934, 3860, 3868, 4825, 4835, 9650, 9670, 19300, 19340, 24175, 48350, 96700, 186631, 373262, 746524, 933155, 1866310, 3732620, 4665775, 9331550, 18663100]

約数ペア:

[(1, 18663100), (2, 9331550), (4, 4665775), (5, 3732620), (10, 1866310), (20, 933155), (25, 746524), (50, 373262), (100, 186631), (193, 96700), (386, 48350), (772, 24175), (965, 19340), (967, 19300), (1930, 9670), (1934, 9650), (3860, 4835), (3868, 4825)]