19770738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5393}}^1$

素因数の和:5458

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 23726478

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5393, 10786, 16179, 32358, 70109, 140218, 210327, 253471, 420654, 506942, 760413, 1520826, 3295123, 6590246, 9885369, 19770738]

約数ペア:

[(1, 19770738), (2, 9885369), (3, 6590246), (6, 3295123), (13, 1520826), (26, 760413), (39, 506942), (47, 420654), (78, 253471), (94, 210327), (141, 140218), (282, 70109), (611, 32358), (1222, 16179), (1833, 10786), (3666, 5393)]