18747612

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4480

約数の個数: 60

約数和(自身を含む): 52791816

約数和(自身を除く): 34044204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4451, 8902, 13353, 17804, 26706, 40059, 53412, 57863, 80118, 115726, 120177, 160236, 173589, 231452, 240354, 347178, 360531, 480708, 520767, 694356, 721062, 1041534, 1442124, 1562301, 2083068, 3124602, 4686903, 6249204, 9373806, 18747612]

約数ペア:

[(1, 18747612), (2, 9373806), (3, 6249204), (4, 4686903), (6, 3124602), (9, 2083068), (12, 1562301), (13, 1442124), (18, 1041534), (26, 721062), (27, 694356), (36, 520767), (39, 480708), (52, 360531), (54, 347178), (78, 240354), (81, 231452), (108, 173589), (117, 160236), (156, 120177), (162, 115726), (234, 80118), (324, 57863), (351, 53412), (468, 40059), (702, 26706), (1053, 17804), (1404, 13353), (2106, 8902), (4212, 4451)]