19251310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 40932864

約数和(自身を除く): 21681554

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 281, 310, 403, 442, 527, 562, 806, 1054, 1105, 1405, 2015, 2210, 2635, 2810, 3653, 4030, 4777, 5270, 6851, 7306, 8711, 9554, 13702, 17422, 18265, 23885, 34255, 36530, 43555, 47770, 62101, 68510, 87110, 113243, 124202, 148087, 226486, 296174, 310505, 566215, 621010, 740435, 1132430, 1480870, 1925131, 3850262, 9625655, 19251310]

約数ペア:

[(1, 19251310), (2, 9625655), (5, 3850262), (10, 1925131), (13, 1480870), (17, 1132430), (26, 740435), (31, 621010), (34, 566215), (62, 310505), (65, 296174), (85, 226486), (130, 148087), (155, 124202), (170, 113243), (221, 87110), (281, 68510), (310, 62101), (403, 47770), (442, 43555), (527, 36530), (562, 34255), (806, 23885), (1054, 18265), (1105, 17422), (1405, 13702), (2015, 9554), (2210, 8711), (2635, 7306), (2810, 6851), (3653, 5270), (4030, 4777)]