19159972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1609}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 36289400

約数和(自身を除く): 17129428

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1609, 2977, 3218, 5954, 6436, 11908, 20917, 41834, 83668, 368461, 736922, 1473844, 4789993, 9579986, 19159972]

約数ペア:

[(1, 19159972), (2, 9579986), (4, 4789993), (13, 1473844), (26, 736922), (52, 368461), (229, 83668), (458, 41834), (916, 20917), (1609, 11908), (2977, 6436), (3218, 5954)]