19645964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10211}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 38029488

約数和(自身を除く): 18383524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10211, 20422, 40844, 132743, 265486, 377807, 530972, 755614, 1511228, 4911491, 9822982, 19645964]

約数ペア:

[(1, 19645964), (2, 9822982), (4, 4911491), (13, 1511228), (26, 755614), (37, 530972), (52, 377807), (74, 265486), (148, 132743), (481, 40844), (962, 20422), (1924, 10211)]