18438436

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{113}}^2$

素因数の和:268

約数の個数: 27

約数和(自身を含む): 34358961

約数和(自身を除く): 15920525

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 361, 452, 722, 1444, 2147, 4294, 8588, 12769, 25538, 40793, 51076, 81586, 163172, 242611, 485222, 970444, 4609609, 9219218, 18438436]

約数ペア:

[(1, 18438436), (2, 9219218), (4, 4609609), (19, 970444), (38, 485222), (76, 242611), (113, 163172), (226, 81586), (361, 51076), (452, 40793), (722, 25538), (1444, 12769), (2147, 8588)]