19909758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15877}}^1$

素因数の和:15912

約数の個数: 32

約数和(自身を含む): 45728640

約数和(自身を除く): 25818882

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 15877, 31754, 47631, 95262, 174647, 301663, 349294, 523941, 603326, 904989, 1047882, 1809978, 3318293, 6636586, 9954879, 19909758]

約数ペア:

[(1, 19909758), (2, 9954879), (3, 6636586), (6, 3318293), (11, 1809978), (19, 1047882), (22, 904989), (33, 603326), (38, 523941), (57, 349294), (66, 301663), (114, 174647), (209, 95262), (418, 47631), (627, 31754), (1254, 15877)]