19295120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18553}}^1$

素因数の和:18579

約数の個数: 40

約数和(自身を含む): 48314616

約数和(自身を除く): 29019496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18553, 37106, 74212, 92765, 148424, 185530, 241189, 296848, 371060, 482378, 742120, 964756, 1205945, 1484240, 1929512, 2411890, 3859024, 4823780, 9647560, 19295120]

約数ペア:

[(1, 19295120), (2, 9647560), (4, 4823780), (5, 3859024), (8, 2411890), (10, 1929512), (13, 1484240), (16, 1205945), (20, 964756), (26, 742120), (40, 482378), (52, 371060), (65, 296848), (80, 241189), (104, 185530), (130, 148424), (208, 92765), (260, 74212), (520, 37106), (1040, 18553)]