19710378

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 60

約数和(自身を含む): 47028102

約数和(自身を除く): 27317724

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 289, 306, 421, 459, 578, 842, 867, 918, 1263, 1377, 1734, 2526, 2601, 2754, 3789, 5202, 7157, 7578, 7803, 11367, 14314, 15606, 21471, 22734, 23409, 34101, 42942, 46818, 64413, 68202, 121669, 128826, 193239, 243338, 365007, 386478, 579717, 730014, 1095021, 1159434, 2190042, 3285063, 6570126, 9855189, 19710378]

約数ペア:

[(1, 19710378), (2, 9855189), (3, 6570126), (6, 3285063), (9, 2190042), (17, 1159434), (18, 1095021), (27, 730014), (34, 579717), (51, 386478), (54, 365007), (81, 243338), (102, 193239), (153, 128826), (162, 121669), (289, 68202), (306, 64413), (421, 46818), (459, 42942), (578, 34101), (842, 23409), (867, 22734), (918, 21471), (1263, 15606), (1377, 14314), (1734, 11367), (2526, 7803), (2601, 7578), (2754, 7157), (3789, 5202)]