18666284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 23669716

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2699, 3458, 5398, 6916, 10796, 18893, 35087, 37786, 51281, 70174, 75572, 102562, 140348, 205124, 245609, 358967, 491218, 666653, 717934, 982436, 1333306, 1435868, 2666612, 4666571, 9333142, 18666284]

約数ペア:

[(1, 18666284), (2, 9333142), (4, 4666571), (7, 2666612), (13, 1435868), (14, 1333306), (19, 982436), (26, 717934), (28, 666653), (38, 491218), (52, 358967), (76, 245609), (91, 205124), (133, 140348), (182, 102562), (247, 75572), (266, 70174), (364, 51281), (494, 37786), (532, 35087), (988, 18893), (1729, 10796), (2699, 6916), (3458, 5398)]