19031120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10343}}^1$

素因数の和:10379

約数の個数: 40

約数和(自身を含む): 46175616

約数和(自身を除く): 27144496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10343, 20686, 41372, 51715, 82744, 103430, 165488, 206860, 237889, 413720, 475778, 827440, 951556, 1189445, 1903112, 2378890, 3806224, 4757780, 9515560, 19031120]

約数ペア:

[(1, 19031120), (2, 9515560), (4, 4757780), (5, 3806224), (8, 2378890), (10, 1903112), (16, 1189445), (20, 951556), (23, 827440), (40, 475778), (46, 413720), (80, 237889), (92, 206860), (115, 165488), (184, 103430), (230, 82744), (368, 51715), (460, 41372), (920, 20686), (1840, 10343)]