18403992

素因数分解:

$2^3\times 3^2\times {\mathrm{443}}^1\times {\mathrm{577}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 50043240

約数和(自身を除く): 31639248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 443, 577, 886, 1154, 1329, 1731, 1772, 2308, 2658, 3462, 3544, 3987, 4616, 5193, 5316, 6924, 7974, 10386, 10632, 13848, 15948, 20772, 31896, 41544, 255611, 511222, 766833, 1022444, 1533666, 2044888, 2300499, 3067332, 4600998, 6134664, 9201996, 18403992]

約数ペア:

[(1, 18403992), (2, 9201996), (3, 6134664), (4, 4600998), (6, 3067332), (8, 2300499), (9, 2044888), (12, 1533666), (18, 1022444), (24, 766833), (36, 511222), (72, 255611), (443, 41544), (577, 31896), (886, 20772), (1154, 15948), (1329, 13848), (1731, 10632), (1772, 10386), (2308, 7974), (2658, 6924), (3462, 5316), (3544, 5193), (3987, 4616)]