18179876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 38431680

約数和(自身を除く): 20251804

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 859, 962, 1628, 1718, 1924, 3436, 5291, 9449, 10582, 11167, 18898, 21164, 22334, 31783, 37796, 44668, 63566, 122837, 127132, 245674, 349613, 413179, 491348, 699226, 826358, 1398452, 1652716, 4544969, 9089938, 18179876]

約数ペア:

[(1, 18179876), (2, 9089938), (4, 4544969), (11, 1652716), (13, 1398452), (22, 826358), (26, 699226), (37, 491348), (44, 413179), (52, 349613), (74, 245674), (143, 127132), (148, 122837), (286, 63566), (407, 44668), (481, 37796), (572, 31783), (814, 22334), (859, 21164), (962, 18898), (1628, 11167), (1718, 10582), (1924, 9449), (3436, 5291)]