19996430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 17826034

約数列:

[1, 2, 5, 10, 23, 46, 115, 227, 230, 383, 454, 766, 1135, 1915, 2270, 3830, 5221, 8809, 10442, 17618, 26105, 44045, 52210, 86941, 88090, 173882, 434705, 869410, 1999643, 3999286, 9998215, 19996430]

約数ペア:

[(1, 19996430), (2, 9998215), (5, 3999286), (10, 1999643), (23, 869410), (46, 434705), (115, 173882), (227, 88090), (230, 86941), (383, 52210), (454, 44045), (766, 26105), (1135, 17618), (1915, 10442), (2270, 8809), (3830, 5221)]