18963816

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30802584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 71, 93, 124, 142, 186, 213, 248, 284, 359, 372, 426, 568, 718, 744, 852, 1077, 1436, 1704, 2154, 2201, 2872, 4308, 4402, 6603, 8616, 8804, 11129, 13206, 17608, 22258, 25489, 26412, 33387, 44516, 50978, 52824, 66774, 76467, 89032, 101956, 133548, 152934, 203912, 267096, 305868, 611736, 790159, 1580318, 2370477, 3160636, 4740954, 6321272, 9481908, 18963816]

約数ペア:

[(1, 18963816), (2, 9481908), (3, 6321272), (4, 4740954), (6, 3160636), (8, 2370477), (12, 1580318), (24, 790159), (31, 611736), (62, 305868), (71, 267096), (93, 203912), (124, 152934), (142, 133548), (186, 101956), (213, 89032), (248, 76467), (284, 66774), (359, 52824), (372, 50978), (426, 44516), (568, 33387), (718, 26412), (744, 25489), (852, 22258), (1077, 17608), (1436, 13206), (1704, 11129), (2154, 8804), (2201, 8616), (2872, 6603), (4308, 4402)]