19919004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2857}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 53776128

約数和(自身を除く): 33857124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 2857, 3486, 5714, 6972, 8571, 11428, 17142, 19999, 34284, 39998, 59997, 79996, 119994, 237131, 239988, 474262, 711393, 948524, 1422786, 1659917, 2845572, 3319834, 4979751, 6639668, 9959502, 19919004]

約数ペア:

[(1, 19919004), (2, 9959502), (3, 6639668), (4, 4979751), (6, 3319834), (7, 2845572), (12, 1659917), (14, 1422786), (21, 948524), (28, 711393), (42, 474262), (83, 239988), (84, 237131), (166, 119994), (249, 79996), (332, 59997), (498, 39998), (581, 34284), (996, 19999), (1162, 17142), (1743, 11428), (2324, 8571), (2857, 6972), (3486, 5714)]