19172478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10687}}^1$

素因数の和:10728

約数の個数: 32

約数和(自身を含む): 43094016

約数和(自身を除く): 23921538

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 10687, 21374, 32061, 64122, 138931, 245801, 277862, 416793, 491602, 737403, 833586, 1474806, 3195413, 6390826, 9586239, 19172478]

約数ペア:

[(1, 19172478), (2, 9586239), (3, 6390826), (6, 3195413), (13, 1474806), (23, 833586), (26, 737403), (39, 491602), (46, 416793), (69, 277862), (78, 245801), (138, 138931), (299, 64122), (598, 32061), (897, 21374), (1794, 10687)]