18063280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9853

約数の個数: 40

約数和(自身を含む): 43827552

約数和(自身を除く): 25764272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9817, 19634, 39268, 49085, 78536, 98170, 157072, 196340, 225791, 392680, 451582, 785360, 903164, 1128955, 1806328, 2257910, 3612656, 4515820, 9031640, 18063280]

約数ペア:

[(1, 18063280), (2, 9031640), (4, 4515820), (5, 3612656), (8, 2257910), (10, 1806328), (16, 1128955), (20, 903164), (23, 785360), (40, 451582), (46, 392680), (80, 225791), (92, 196340), (115, 157072), (184, 98170), (230, 78536), (368, 49085), (460, 39268), (920, 19634), (1840, 9817)]