19661994

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28722006

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 79, 99, 158, 198, 237, 297, 419, 474, 594, 711, 838, 869, 1257, 1422, 1738, 2133, 2514, 2607, 3771, 4266, 4609, 5214, 7542, 7821, 9218, 11313, 13827, 15642, 22626, 23463, 27654, 33101, 41481, 46926, 66202, 82962, 99303, 124443, 198606, 248886, 297909, 364111, 595818, 728222, 893727, 1092333, 1787454, 2184666, 3276999, 6553998, 9830997, 19661994]

約数ペア:

[(1, 19661994), (2, 9830997), (3, 6553998), (6, 3276999), (9, 2184666), (11, 1787454), (18, 1092333), (22, 893727), (27, 728222), (33, 595818), (54, 364111), (66, 297909), (79, 248886), (99, 198606), (158, 124443), (198, 99303), (237, 82962), (297, 66202), (419, 46926), (474, 41481), (594, 33101), (711, 27654), (838, 23463), (869, 22626), (1257, 15642), (1422, 13827), (1738, 11313), (2133, 9218), (2514, 7821), (2607, 7542), (3771, 5214), (4266, 4609)]