18996736

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3373}}^1$

素因数の和:3402

約数の個数: 40

約数和(自身を含む): 41419224

約数和(自身を除く): 22422488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3373, 5632, 6746, 13492, 26984, 37103, 53968, 74206, 107936, 148412, 215872, 296824, 431744, 593648, 863488, 1187296, 1726976, 2374592, 4749184, 9498368, 18996736]

約数ペア:

[(1, 18996736), (2, 9498368), (4, 4749184), (8, 2374592), (11, 1726976), (16, 1187296), (22, 863488), (32, 593648), (44, 431744), (64, 296824), (88, 215872), (128, 148412), (176, 107936), (256, 74206), (352, 53968), (512, 37103), (704, 26984), (1408, 13492), (2816, 6746), (3373, 5632)]