18068930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 36340920

約数和(自身を除く): 18271990

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 137, 218, 242, 274, 545, 605, 685, 1090, 1199, 1210, 1370, 1507, 2398, 3014, 5995, 7535, 11990, 13189, 14933, 15070, 16577, 26378, 29866, 33154, 65945, 74665, 82885, 131890, 149330, 164263, 165770, 328526, 821315, 1642630, 1806893, 3613786, 9034465, 18068930]

約数ペア:

[(1, 18068930), (2, 9034465), (5, 3613786), (10, 1806893), (11, 1642630), (22, 821315), (55, 328526), (109, 165770), (110, 164263), (121, 149330), (137, 131890), (218, 82885), (242, 74665), (274, 65945), (545, 33154), (605, 29866), (685, 26378), (1090, 16577), (1199, 15070), (1210, 14933), (1370, 13189), (1507, 11990), (2398, 7535), (3014, 5995)]