18876195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 36140832

約数和(自身を除く): 17264637

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 787, 1599, 1845, 2361, 2665, 3935, 4797, 7083, 7995, 10231, 11805, 23985, 30693, 32267, 35415, 51155, 92079, 96801, 153465, 161335, 290403, 419471, 460395, 484005, 1258413, 1452015, 2097355, 3775239, 6292065, 18876195]

約数ペア:

[(1, 18876195), (3, 6292065), (5, 3775239), (9, 2097355), (13, 1452015), (15, 1258413), (39, 484005), (41, 460395), (45, 419471), (65, 290403), (117, 161335), (123, 153465), (195, 96801), (205, 92079), (369, 51155), (533, 35415), (585, 32267), (615, 30693), (787, 23985), (1599, 11805), (1845, 10231), (2361, 7995), (2665, 7083), (3935, 4797)]