18251420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3607}}^1$

素因数の和:3650

約数の個数: 48

約数和(自身を含む): 43642368

約数和(自身を除く): 25390948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3607, 5060, 7214, 14428, 18035, 36070, 39677, 72140, 79354, 82961, 158708, 165922, 198385, 331844, 396770, 414805, 793540, 829610, 912571, 1659220, 1825142, 3650284, 4562855, 9125710, 18251420]

約数ペア:

[(1, 18251420), (2, 9125710), (4, 4562855), (5, 3650284), (10, 1825142), (11, 1659220), (20, 912571), (22, 829610), (23, 793540), (44, 414805), (46, 396770), (55, 331844), (92, 198385), (110, 165922), (115, 158708), (220, 82961), (230, 79354), (253, 72140), (460, 39677), (506, 36070), (1012, 18035), (1265, 14428), (2530, 7214), (3607, 5060)]