19396665

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 35544960

約数和(自身を除く): 16148295

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1019, 1269, 2115, 3057, 3807, 5095, 6345, 9171, 15285, 19035, 27513, 45855, 47893, 82539, 137565, 143679, 239465, 412695, 431037, 718395, 1293111, 2155185, 3879333, 6465555, 19396665]

約数ペア:

[(1, 19396665), (3, 6465555), (5, 3879333), (9, 2155185), (15, 1293111), (27, 718395), (45, 431037), (47, 412695), (81, 239465), (135, 143679), (141, 137565), (235, 82539), (405, 47893), (423, 45855), (705, 27513), (1019, 19035), (1269, 15285), (2115, 9171), (3057, 6345), (3807, 5095)]