19879590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 50927616

約数和(自身を除く): 31048026

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 94, 115, 138, 141, 230, 235, 282, 345, 470, 613, 690, 705, 1081, 1226, 1410, 1839, 2162, 3065, 3243, 3678, 5405, 6130, 6486, 9195, 10810, 14099, 16215, 18390, 28198, 28811, 32430, 42297, 57622, 70495, 84594, 86433, 140990, 144055, 172866, 211485, 288110, 422970, 432165, 662653, 864330, 1325306, 1987959, 3313265, 3975918, 6626530, 9939795, 19879590]

約数ペア:

[(1, 19879590), (2, 9939795), (3, 6626530), (5, 3975918), (6, 3313265), (10, 1987959), (15, 1325306), (23, 864330), (30, 662653), (46, 432165), (47, 422970), (69, 288110), (94, 211485), (115, 172866), (138, 144055), (141, 140990), (230, 86433), (235, 84594), (282, 70495), (345, 57622), (470, 42297), (613, 32430), (690, 28811), (705, 28198), (1081, 18390), (1226, 16215), (1410, 14099), (1839, 10810), (2162, 9195), (3065, 6486), (3243, 6130), (3678, 5405)]