19845063

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 35193600

約数和(自身を除く): 15348537

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 281, 399, 413, 531, 843, 1121, 1197, 1239, 1967, 2529, 3363, 3717, 5339, 5901, 7847, 10089, 16017, 16579, 17703, 23541, 37373, 48051, 49737, 70623, 112119, 116053, 149211, 315001, 336357, 348159, 945003, 1044477, 2205007, 2835009, 6615021, 19845063]

約数ペア:

[(1, 19845063), (3, 6615021), (7, 2835009), (9, 2205007), (19, 1044477), (21, 945003), (57, 348159), (59, 336357), (63, 315001), (133, 149211), (171, 116053), (177, 112119), (281, 70623), (399, 49737), (413, 48051), (531, 37373), (843, 23541), (1121, 17703), (1197, 16579), (1239, 16017), (1967, 10089), (2529, 7847), (3363, 5901), (3717, 5339)]