28020402

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{81931}}^1$

素因数の和:81958

約数の個数: 24

約数和(自身を含む): 63906960

約数和(自身を除く): 35886558

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 81931, 163862, 245793, 491586, 737379, 1474758, 1556689, 3113378, 4670067, 9340134, 14010201, 28020402]

約数ペア:

[(1, 28020402), (2, 14010201), (3, 9340134), (6, 4670067), (9, 3113378), (18, 1556689), (19, 1474758), (38, 737379), (57, 491586), (114, 245793), (171, 163862), (342, 81931)]