18827320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3593}}^1$

素因数の和:3735

約数の個数: 32

約数和(自身を含む): 42696720

約数和(自身を除く): 23869400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3593, 5240, 7186, 14372, 17965, 28744, 35930, 71860, 143720, 470683, 941366, 1882732, 2353415, 3765464, 4706830, 9413660, 18827320]

約数ペア:

[(1, 18827320), (2, 9413660), (4, 4706830), (5, 3765464), (8, 2353415), (10, 1882732), (20, 941366), (40, 470683), (131, 143720), (262, 71860), (524, 35930), (655, 28744), (1048, 17965), (1310, 14372), (2620, 7186), (3593, 5240)]