15921378

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 37919232

約数和(自身を除く): 21997854

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 191, 198, 382, 421, 573, 842, 1146, 1263, 1719, 2101, 2526, 3438, 3789, 4202, 4631, 6303, 7578, 9262, 12606, 13893, 18909, 27786, 37818, 41679, 80411, 83358, 160822, 241233, 482466, 723699, 884521, 1447398, 1769042, 2653563, 5307126, 7960689, 15921378]

約数ペア:

[(1, 15921378), (2, 7960689), (3, 5307126), (6, 2653563), (9, 1769042), (11, 1447398), (18, 884521), (22, 723699), (33, 482466), (66, 241233), (99, 160822), (191, 83358), (198, 80411), (382, 41679), (421, 37818), (573, 27786), (842, 18909), (1146, 13893), (1263, 12606), (1719, 9262), (2101, 7578), (2526, 6303), (3438, 4631), (3789, 4202)]