18900570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48463}}^1$

素因数の和:48486

約数の個数: 32

約数和(自身を含む): 48851712

約数和(自身を除く): 29951142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48463, 96926, 145389, 242315, 290778, 484630, 630019, 726945, 1260038, 1453890, 1890057, 3150095, 3780114, 6300190, 9450285, 18900570]

約数ペア:

[(1, 18900570), (2, 9450285), (3, 6300190), (5, 3780114), (6, 3150095), (10, 1890057), (13, 1453890), (15, 1260038), (26, 726945), (30, 630019), (39, 484630), (65, 290778), (78, 242315), (130, 145389), (195, 96926), (390, 48463)]