18829948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4133}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 16590164

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4133, 4556, 8266, 16532, 70261, 140522, 276911, 281044, 553822, 1107644, 4707487, 9414974, 18829948]

約数ペア:

[(1, 18829948), (2, 9414974), (4, 4707487), (17, 1107644), (34, 553822), (67, 281044), (68, 276911), (134, 140522), (268, 70261), (1139, 16532), (2278, 8266), (4133, 4556)]