19281628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 35126784

約数和(自身を除く): 15845156

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 1187, 2374, 4061, 4748, 8122, 16244, 36797, 73594, 147188, 155497, 310994, 621988, 4820407, 9640814, 19281628]

約数ペア:

[(1, 19281628), (2, 9640814), (4, 4820407), (31, 621988), (62, 310994), (124, 155497), (131, 147188), (262, 73594), (524, 36797), (1187, 16244), (2374, 8122), (4061, 4748)]