19542735

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 36758880

約数和(自身を除く): 17216145

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 401, 513, 855, 1083, 1203, 1805, 2005, 2565, 3249, 3609, 5415, 6015, 7619, 9747, 10827, 16245, 18045, 22857, 38095, 48735, 54135, 68571, 114285, 144761, 205713, 342855, 434283, 723805, 1028565, 1302849, 2171415, 3908547, 6514245, 19542735]

約数ペア:

[(1, 19542735), (3, 6514245), (5, 3908547), (9, 2171415), (15, 1302849), (19, 1028565), (27, 723805), (45, 434283), (57, 342855), (95, 205713), (135, 144761), (171, 114285), (285, 68571), (361, 54135), (401, 48735), (513, 38095), (855, 22857), (1083, 18045), (1203, 16245), (1805, 10827), (2005, 9747), (2565, 7619), (3249, 6015), (3609, 5415)]