19730240

素因数分解:

$2^6\times 5^1\times {\mathrm{61657}}^1$

素因数の和:61674

約数の個数: 28

約数和(自身を含む): 46983396

約数和(自身を除く): 27253156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61657, 123314, 246628, 308285, 493256, 616570, 986512, 1233140, 1973024, 2466280, 3946048, 4932560, 9865120, 19730240]

約数ペア:

[(1, 19730240), (2, 9865120), (4, 4932560), (5, 3946048), (8, 2466280), (10, 1973024), (16, 1233140), (20, 986512), (32, 616570), (40, 493256), (64, 308285), (80, 246628), (160, 123314), (320, 61657)]