19731804

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 30063396

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2339, 2812, 4218, 4678, 7017, 8436, 9356, 14034, 28068, 44441, 86543, 88882, 133323, 173086, 177764, 259629, 266646, 346172, 519258, 533292, 1038516, 1644317, 3288634, 4932951, 6577268, 9865902, 19731804]

約数ペア:

[(1, 19731804), (2, 9865902), (3, 6577268), (4, 4932951), (6, 3288634), (12, 1644317), (19, 1038516), (37, 533292), (38, 519258), (57, 346172), (74, 266646), (76, 259629), (111, 177764), (114, 173086), (148, 133323), (222, 88882), (228, 86543), (444, 44441), (703, 28068), (1406, 14034), (2109, 9356), (2339, 8436), (2812, 7017), (4218, 4678)]