18178830

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7481}}^1$

素因数の和:7503

約数の個数: 48

約数和(自身を含む): 49022064

約数和(自身を除く): 30843234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7481, 14962, 22443, 37405, 44886, 67329, 74810, 112215, 134658, 201987, 224430, 336645, 403974, 605961, 673290, 1009935, 1211922, 1817883, 2019870, 3029805, 3635766, 6059610, 9089415, 18178830]

約数ペア:

[(1, 18178830), (2, 9089415), (3, 6059610), (5, 3635766), (6, 3029805), (9, 2019870), (10, 1817883), (15, 1211922), (18, 1009935), (27, 673290), (30, 605961), (45, 403974), (54, 336645), (81, 224430), (90, 201987), (135, 134658), (162, 112215), (243, 74810), (270, 67329), (405, 44886), (486, 37405), (810, 22443), (1215, 14962), (2430, 7481)]