19983888

素因数分解:

$2^4\times 3^3\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 57912960

約数和(自身を除く): 37929072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 167, 216, 277, 334, 432, 501, 554, 668, 831, 1002, 1108, 1336, 1503, 1662, 2004, 2216, 2493, 2672, 3006, 3324, 4008, 4432, 4509, 4986, 6012, 6648, 7479, 8016, 9018, 9972, 12024, 13296, 14958, 18036, 19944, 24048, 29916, 36072, 39888, 46259, 59832, 72144, 92518, 119664, 138777, 185036, 277554, 370072, 416331, 555108, 740144, 832662, 1110216, 1248993, 1665324, 2220432, 2497986, 3330648, 4995972, 6661296, 9991944, 19983888]

約数ペア:

[(1, 19983888), (2, 9991944), (3, 6661296), (4, 4995972), (6, 3330648), (8, 2497986), (9, 2220432), (12, 1665324), (16, 1248993), (18, 1110216), (24, 832662), (27, 740144), (36, 555108), (48, 416331), (54, 370072), (72, 277554), (108, 185036), (144, 138777), (167, 119664), (216, 92518), (277, 72144), (334, 59832), (432, 46259), (501, 39888), (554, 36072), (668, 29916), (831, 24048), (1002, 19944), (1108, 18036), (1336, 14958), (1503, 13296), (1662, 12024), (2004, 9972), (2216, 9018), (2493, 8016), (2672, 7479), (3006, 6648), (3324, 6012), (4008, 4986), (4432, 4509)]