19173321

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 10893879

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 521, 783, 1269, 1363, 1563, 4089, 4689, 12267, 14067, 15109, 24487, 36801, 45327, 73461, 135981, 220383, 407943, 661149, 710123, 2130369, 6391107, 19173321]

約数ペア:

[(1, 19173321), (3, 6391107), (9, 2130369), (27, 710123), (29, 661149), (47, 407943), (87, 220383), (141, 135981), (261, 73461), (423, 45327), (521, 36801), (783, 24487), (1269, 15109), (1363, 14067), (1563, 12267), (4089, 4689)]