19956131988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127923923}}^1$

素因数の和:127923943

約数の個数: 24

約数和(自身を含む): 50146178208

約数和(自身を除く): 30190046220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127923923, 255847846, 383771769, 511695692, 767543538, 1535087076, 1663010999, 3326021998, 4989032997, 6652043996, 9978065994, 19956131988]

約数ペア:

[(1, 19956131988), (2, 9978065994), (3, 6652043996), (4, 4989032997), (6, 3326021998), (12, 1663010999), (13, 1535087076), (26, 767543538), (39, 511695692), (52, 383771769), (78, 255847846), (156, 127923923)]