19865136

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2539}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 51653440

約数和(自身を除く): 31788304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2539, 2608, 3912, 5078, 7617, 7824, 10156, 15234, 20312, 30468, 40624, 60936, 121872, 413857, 827714, 1241571, 1655428, 2483142, 3310856, 4966284, 6621712, 9932568, 19865136]

約数ペア:

[(1, 19865136), (2, 9932568), (3, 6621712), (4, 4966284), (6, 3310856), (8, 2483142), (12, 1655428), (16, 1241571), (24, 827714), (48, 413857), (163, 121872), (326, 60936), (489, 40624), (652, 30468), (978, 20312), (1304, 15234), (1956, 10156), (2539, 7824), (2608, 7617), (3912, 5078)]