19958284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4451}}^1$

素因数の和:4533

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 17438516

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4451, 4484, 8902, 17804, 84569, 169138, 262609, 338276, 525218, 1050436, 4989571, 9979142, 19958284]

約数ペア:

[(1, 19958284), (2, 9979142), (4, 4989571), (19, 1050436), (38, 525218), (59, 338276), (76, 262609), (118, 169138), (236, 84569), (1121, 17804), (2242, 8902), (4451, 4484)]