19963317872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1790111}}^1$

素因数の和:1790177

約数の個数: 40

約数和(自身を含む): 41953064832

約数和(自身を除く): 21989746960

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 11152, 1790111, 3580222, 7160444, 14320888, 28641776, 30431887, 60863774, 73394551, 121727548, 146789102, 243455096, 293578204, 486910192, 587156408, 1174312816, 1247707367, 2495414734, 4990829468, 9981658936, 19963317872]

約数ペア:

[(1, 19963317872), (2, 9981658936), (4, 4990829468), (8, 2495414734), (16, 1247707367), (17, 1174312816), (34, 587156408), (41, 486910192), (68, 293578204), (82, 243455096), (136, 146789102), (164, 121727548), (272, 73394551), (328, 60863774), (656, 30431887), (697, 28641776), (1394, 14320888), (2788, 7160444), (5576, 3580222), (11152, 1790111)]