19825814404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{300191}}^1$

素因数の和:300304

約数の個数: 48

約数和(自身を含む): 40345804800

約数和(自身を除く): 20519990396

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 316, 418, 836, 869, 1501, 1738, 3002, 3476, 6004, 16511, 33022, 66044, 300191, 600382, 1200764, 3302101, 5703629, 6604202, 11407258, 13208404, 22814516, 23715089, 47430178, 62739919, 94860356, 125479838, 250959676, 260865979, 450586691, 521731958, 901173382, 1043463916, 1802346764, 4956453601, 9912907202, 19825814404]

約数ペア:

[(1, 19825814404), (2, 9912907202), (4, 4956453601), (11, 1802346764), (19, 1043463916), (22, 901173382), (38, 521731958), (44, 450586691), (76, 260865979), (79, 250959676), (158, 125479838), (209, 94860356), (316, 62739919), (418, 47430178), (836, 23715089), (869, 22814516), (1501, 13208404), (1738, 11407258), (3002, 6604202), (3476, 5703629), (6004, 3302101), (16511, 1200764), (33022, 600382), (66044, 300191)]