19980459858

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2453999}}^1$

素因数の和:2454086

約数の個数: 32

約数和(自身を含む): 42405120000

約数和(自身を除く): 22424660142

約数列:

[1, 2, 3, 6, 23, 46, 59, 69, 118, 138, 177, 354, 1357, 2714, 4071, 8142, 2453999, 4907998, 7361997, 14723994, 56441977, 112883954, 144785941, 169325931, 289571882, 338651862, 434357823, 868715646, 3330076643, 6660153286, 9990229929, 19980459858]

約数ペア:

[(1, 19980459858), (2, 9990229929), (3, 6660153286), (6, 3330076643), (23, 868715646), (46, 434357823), (59, 338651862), (69, 289571882), (118, 169325931), (138, 144785941), (177, 112883954), (354, 56441977), (1357, 14723994), (2714, 7361997), (4071, 4907998), (8142, 2453999)]