18051990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4973}}^1$

素因数の和:5005

約数の個数: 48

約数和(自身を含む): 47631024

約数和(自身を除く): 29579034

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 4973, 9946, 14919, 24865, 29838, 49730, 54703, 74595, 109406, 149190, 164109, 273515, 328218, 547030, 601733, 820545, 1203466, 1641090, 1805199, 3008665, 3610398, 6017330, 9025995, 18051990]

約数ペア:

[(1, 18051990), (2, 9025995), (3, 6017330), (5, 3610398), (6, 3008665), (10, 1805199), (11, 1641090), (15, 1203466), (22, 820545), (30, 601733), (33, 547030), (55, 328218), (66, 273515), (110, 164109), (121, 149190), (165, 109406), (242, 74595), (330, 54703), (363, 49730), (605, 29838), (726, 24865), (1210, 14919), (1815, 9946), (3630, 4973)]