19109836

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 36240736

約数和(自身を除く): 17130900

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 271, 289, 542, 578, 1037, 1084, 1156, 2074, 4148, 4607, 9214, 16531, 17629, 18428, 33062, 35258, 66124, 70516, 78319, 156638, 281027, 313276, 562054, 1124108, 4777459, 9554918, 19109836]

約数ペア:

[(1, 19109836), (2, 9554918), (4, 4777459), (17, 1124108), (34, 562054), (61, 313276), (68, 281027), (122, 156638), (244, 78319), (271, 70516), (289, 66124), (542, 35258), (578, 33062), (1037, 18428), (1084, 17629), (1156, 16531), (2074, 9214), (4148, 4607)]