18483320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2671}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 41843520

約数和(自身を除く): 23360200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2671, 3460, 5342, 6920, 10684, 13355, 21368, 26710, 53420, 106840, 462083, 924166, 1848332, 2310415, 3696664, 4620830, 9241660, 18483320]

約数ペア:

[(1, 18483320), (2, 9241660), (4, 4620830), (5, 3696664), (8, 2310415), (10, 1848332), (20, 924166), (40, 462083), (173, 106840), (346, 53420), (692, 26710), (865, 21368), (1384, 13355), (1730, 10684), (2671, 6920), (3460, 5342)]