19922565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35838720

約数和(自身を除く): 15916155

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 169, 195, 271, 377, 435, 507, 813, 845, 1131, 1355, 1885, 2535, 3523, 4065, 4901, 5655, 7859, 10569, 14703, 17615, 23577, 24505, 39295, 45799, 52845, 73515, 102167, 117885, 137397, 228995, 306501, 510835, 686985, 1328171, 1532505, 3984513, 6640855, 19922565]

約数ペア:

[(1, 19922565), (3, 6640855), (5, 3984513), (13, 1532505), (15, 1328171), (29, 686985), (39, 510835), (65, 306501), (87, 228995), (145, 137397), (169, 117885), (195, 102167), (271, 73515), (377, 52845), (435, 45799), (507, 39295), (813, 24505), (845, 23577), (1131, 17615), (1355, 14703), (1885, 10569), (2535, 7859), (3523, 5655), (4065, 4901)]