19697896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79427}}^1$

素因数の和:79464

約数の個数: 16

約数和(自身を含む): 38125440

約数和(自身を除く): 18427544

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79427, 158854, 317708, 635416, 2462237, 4924474, 9848948, 19697896]

約数ペア:

[(1, 19697896), (2, 9848948), (4, 4924474), (8, 2462237), (31, 635416), (62, 317708), (124, 158854), (248, 79427)]