19221169

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 4728911

約数列:

[1, 11, 17, 23, 41, 109, 187, 253, 391, 451, 697, 943, 1199, 1853, 2507, 4301, 4469, 7667, 10373, 16031, 20383, 27577, 42619, 49159, 75973, 102787, 176341, 468809, 835703, 1130657, 1747379, 19221169]

約数ペア:

[(1, 19221169), (11, 1747379), (17, 1130657), (23, 835703), (41, 468809), (109, 176341), (187, 102787), (253, 75973), (391, 49159), (451, 42619), (697, 27577), (943, 20383), (1199, 16031), (1853, 10373), (2507, 7667), (4301, 4469)]