19015640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 49412160

約数和(自身を除く): 30396520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 601, 791, 904, 1130, 1202, 1582, 2260, 2404, 3005, 3164, 3955, 4207, 4520, 4808, 6010, 6328, 7910, 8414, 12020, 15820, 16828, 21035, 24040, 31640, 33656, 42070, 67913, 84140, 135826, 168280, 271652, 339565, 475391, 543304, 679130, 950782, 1358260, 1901564, 2376955, 2716520, 3803128, 4753910, 9507820, 19015640]

約数ペア:

[(1, 19015640), (2, 9507820), (4, 4753910), (5, 3803128), (7, 2716520), (8, 2376955), (10, 1901564), (14, 1358260), (20, 950782), (28, 679130), (35, 543304), (40, 475391), (56, 339565), (70, 271652), (113, 168280), (140, 135826), (226, 84140), (280, 67913), (452, 42070), (565, 33656), (601, 31640), (791, 24040), (904, 21035), (1130, 16828), (1202, 15820), (1582, 12020), (2260, 8414), (2404, 7910), (3005, 6328), (3164, 6010), (3955, 4808), (4207, 4520)]