18923210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 36346320

約数和(自身を除く): 17423110

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 709, 785, 1418, 1570, 2669, 3545, 5338, 7090, 12053, 13345, 24106, 26690, 60265, 111313, 120530, 222626, 556565, 1113130, 1892321, 3784642, 9461605, 18923210]

約数ペア:

[(1, 18923210), (2, 9461605), (5, 3784642), (10, 1892321), (17, 1113130), (34, 556565), (85, 222626), (157, 120530), (170, 111313), (314, 60265), (709, 26690), (785, 24106), (1418, 13345), (1570, 12053), (2669, 7090), (3545, 5338)]