19847664

素因数分解:

$2^4\times 3^2\times {\mathrm{137831}}^1$

素因数の和:137845

約数の個数: 30

約数和(自身を含む): 55546296

約数和(自身を除く): 35698632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137831, 275662, 413493, 551324, 826986, 1102648, 1240479, 1653972, 2205296, 2480958, 3307944, 4961916, 6615888, 9923832, 19847664]

約数ペア:

[(1, 19847664), (2, 9923832), (3, 6615888), (4, 4961916), (6, 3307944), (8, 2480958), (9, 2205296), (12, 1653972), (16, 1240479), (18, 1102648), (24, 826986), (36, 551324), (48, 413493), (72, 275662), (144, 137831)]