19240880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10457}}^1$

素因数の和:10493

約数の個数: 40

約数和(自身を含む): 46684512

約数和(自身を除く): 27443632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10457, 20914, 41828, 52285, 83656, 104570, 167312, 209140, 240511, 418280, 481022, 836560, 962044, 1202555, 1924088, 2405110, 3848176, 4810220, 9620440, 19240880]

約数ペア:

[(1, 19240880), (2, 9620440), (4, 4810220), (5, 3848176), (8, 2405110), (10, 1924088), (16, 1202555), (20, 962044), (23, 836560), (40, 481022), (46, 418280), (80, 240511), (92, 209140), (115, 167312), (184, 104570), (230, 83656), (368, 52285), (460, 41828), (920, 20914), (1840, 10457)]