18489196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 37269792

約数和(自身を除く): 18780596

約数列:

[1, 2, 4, 11, 22, 37, 41, 44, 74, 82, 148, 164, 277, 407, 451, 554, 814, 902, 1108, 1517, 1628, 1804, 3034, 3047, 6068, 6094, 10249, 11357, 12188, 16687, 20498, 22714, 33374, 40996, 45428, 66748, 112739, 124927, 225478, 249854, 420209, 450956, 499708, 840418, 1680836, 4622299, 9244598, 18489196]

約数ペア:

[(1, 18489196), (2, 9244598), (4, 4622299), (11, 1680836), (22, 840418), (37, 499708), (41, 450956), (44, 420209), (74, 249854), (82, 225478), (148, 124927), (164, 112739), (277, 66748), (407, 45428), (451, 40996), (554, 33374), (814, 22714), (902, 20498), (1108, 16687), (1517, 12188), (1628, 11357), (1804, 10249), (3034, 6094), (3047, 6068)]