19538478

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1901}}^1$

素因数の和:2480

約数の個数: 24

約数和(自身を含む): 42429816

約数和(自身を除く): 22891338

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 1901, 3426, 3802, 5139, 5703, 10278, 11406, 17109, 34218, 1085471, 2170942, 3256413, 6512826, 9769239, 19538478]

約数ペア:

[(1, 19538478), (2, 9769239), (3, 6512826), (6, 3256413), (9, 2170942), (18, 1085471), (571, 34218), (1142, 17109), (1713, 11406), (1901, 10278), (3426, 5703), (3802, 5139)]