1999218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 4608576

約数和(自身を除く): 2609358

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 71, 78, 114, 142, 213, 247, 361, 426, 494, 722, 741, 923, 1083, 1349, 1482, 1846, 2166, 2698, 2769, 4047, 4693, 5538, 8094, 9386, 14079, 17537, 25631, 28158, 35074, 51262, 52611, 76893, 105222, 153786, 333203, 666406, 999609, 1999218]

約数ペア:

[(1, 1999218), (2, 999609), (3, 666406), (6, 333203), (13, 153786), (19, 105222), (26, 76893), (38, 52611), (39, 51262), (57, 35074), (71, 28158), (78, 25631), (114, 17537), (142, 14079), (213, 9386), (247, 8094), (361, 5538), (426, 4693), (494, 4047), (722, 2769), (741, 2698), (923, 2166), (1083, 1846), (1349, 1482)]