19730890

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6427}}^1$

素因数の和:6741

約数の個数: 16

約数和(自身を含む): 35636832

約数和(自身を除く): 15905942

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 6427, 12854, 32135, 64270, 1973089, 3946178, 9865445, 19730890]

約数ペア:

[(1, 19730890), (2, 9865445), (5, 3946178), (10, 1973089), (307, 64270), (614, 32135), (1535, 12854), (3070, 6427)]