18725796

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 30431004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2089, 2241, 2988, 4178, 4482, 6267, 8356, 8964, 12534, 18801, 25068, 37602, 56403, 75204, 112806, 173387, 225612, 346774, 520161, 693548, 1040322, 1560483, 2080644, 3120966, 4681449, 6241932, 9362898, 18725796]

約数ペア:

[(1, 18725796), (2, 9362898), (3, 6241932), (4, 4681449), (6, 3120966), (9, 2080644), (12, 1560483), (18, 1040322), (27, 693548), (36, 520161), (54, 346774), (83, 225612), (108, 173387), (166, 112806), (249, 75204), (332, 56403), (498, 37602), (747, 25068), (996, 18801), (1494, 12534), (2089, 8964), (2241, 8356), (2988, 6267), (4178, 4482)]