19685432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 42184800

約数和(自身を除く): 22499368

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 61, 104, 107, 116, 122, 214, 232, 244, 377, 428, 488, 754, 793, 856, 1391, 1508, 1586, 1769, 2782, 3016, 3103, 3172, 3538, 5564, 6206, 6344, 6527, 7076, 11128, 12412, 13054, 14152, 22997, 24824, 26108, 40339, 45994, 52216, 80678, 84851, 91988, 161356, 169702, 183976, 189283, 322712, 339404, 378566, 678808, 757132, 1514264, 2460679, 4921358, 9842716, 19685432]

約数ペア:

[(1, 19685432), (2, 9842716), (4, 4921358), (8, 2460679), (13, 1514264), (26, 757132), (29, 678808), (52, 378566), (58, 339404), (61, 322712), (104, 189283), (107, 183976), (116, 169702), (122, 161356), (214, 91988), (232, 84851), (244, 80678), (377, 52216), (428, 45994), (488, 40339), (754, 26108), (793, 24824), (856, 22997), (1391, 14152), (1508, 13054), (1586, 12412), (1769, 11128), (2782, 7076), (3016, 6527), (3103, 6344), (3172, 6206), (3538, 5564)]