18640530

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{2557}}^1$

素因数の和:2582

約数の個数: 56

約数和(自身を含む): 50326092

約数和(自身を除く): 31685562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 2557, 3645, 5114, 7290, 7671, 12785, 15342, 23013, 25570, 38355, 46026, 69039, 76710, 115065, 138078, 207117, 230130, 345195, 414234, 621351, 690390, 1035585, 1242702, 1864053, 2071170, 3106755, 3728106, 6213510, 9320265, 18640530]

約数ペア:

[(1, 18640530), (2, 9320265), (3, 6213510), (5, 3728106), (6, 3106755), (9, 2071170), (10, 1864053), (15, 1242702), (18, 1035585), (27, 690390), (30, 621351), (45, 414234), (54, 345195), (81, 230130), (90, 207117), (135, 138078), (162, 115065), (243, 76710), (270, 69039), (405, 46026), (486, 38355), (729, 25570), (810, 23013), (1215, 15342), (1458, 12785), (2430, 7671), (2557, 7290), (3645, 5114)]