19561104

素因数分解:

$2^4\times 3^2\times {\mathrm{135841}}^1$

素因数の和:135855

約数の個数: 30

約数和(自身を含む): 54744326

約数和(自身を除く): 35183222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 135841, 271682, 407523, 543364, 815046, 1086728, 1222569, 1630092, 2173456, 2445138, 3260184, 4890276, 6520368, 9780552, 19561104]

約数ペア:

[(1, 19561104), (2, 9780552), (3, 6520368), (4, 4890276), (6, 3260184), (8, 2445138), (9, 2173456), (12, 1630092), (16, 1222569), (18, 1086728), (24, 815046), (36, 543364), (48, 407523), (72, 271682), (144, 135841)]