19956972670

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1\times {\mathrm{8147}}^1$

素因数の和:9144

約数の個数: 32

約数和(自身を含む): 36072304128

約数和(自身を除く): 16115331458

約数列:

[1, 2, 5, 10, 487, 503, 974, 1006, 2435, 2515, 4870, 5030, 8147, 16294, 40735, 81470, 244961, 489922, 1224805, 2449610, 3967589, 4097941, 7935178, 8195882, 19837945, 20489705, 39675890, 40979410, 1995697267, 3991394534, 9978486335, 19956972670]

約数ペア:

[(1, 19956972670), (2, 9978486335), (5, 3991394534), (10, 1995697267), (487, 40979410), (503, 39675890), (974, 20489705), (1006, 19837945), (2435, 8195882), (2515, 7935178), (4870, 4097941), (5030, 3967589), (8147, 2449610), (16294, 1224805), (40735, 489922), (81470, 244961)]