19123845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 33312384

約数和(自身を除く): 14188539

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 971, 1313, 1515, 2913, 3939, 4855, 6565, 12623, 14565, 19695, 37869, 63115, 98071, 189345, 294213, 490355, 1274923, 1471065, 3824769, 6374615, 19123845]

約数ペア:

[(1, 19123845), (3, 6374615), (5, 3824769), (13, 1471065), (15, 1274923), (39, 490355), (65, 294213), (101, 189345), (195, 98071), (303, 63115), (505, 37869), (971, 19695), (1313, 14565), (1515, 12623), (2913, 6565), (3939, 4855)]