19640044

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1013}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 35603568

約数和(自身を除く): 15963524

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1013, 2026, 4052, 4847, 9694, 19388, 37481, 74962, 132703, 149924, 265406, 530812, 4910011, 9820022, 19640044]

約数ペア:

[(1, 19640044), (2, 9820022), (4, 4910011), (37, 530812), (74, 265406), (131, 149924), (148, 132703), (262, 74962), (524, 37481), (1013, 19388), (2026, 9694), (4052, 4847)]