19206978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 46725120

約数和(自身を除く): 27518142

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 59, 69, 118, 138, 161, 177, 322, 337, 354, 413, 483, 674, 826, 966, 1011, 1239, 1357, 2022, 2359, 2478, 2714, 4071, 4718, 7077, 7751, 8142, 9499, 14154, 15502, 18998, 19883, 23253, 28497, 39766, 46506, 54257, 56994, 59649, 108514, 119298, 139181, 162771, 278362, 325542, 417543, 457309, 835086, 914618, 1371927, 2743854, 3201163, 6402326, 9603489, 19206978]

約数ペア:

[(1, 19206978), (2, 9603489), (3, 6402326), (6, 3201163), (7, 2743854), (14, 1371927), (21, 914618), (23, 835086), (42, 457309), (46, 417543), (59, 325542), (69, 278362), (118, 162771), (138, 139181), (161, 119298), (177, 108514), (322, 59649), (337, 56994), (354, 54257), (413, 46506), (483, 39766), (674, 28497), (826, 23253), (966, 19883), (1011, 18998), (1239, 15502), (1357, 14154), (2022, 9499), (2359, 8142), (2478, 7751), (2714, 7077), (4071, 4718)]