18431270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12889}}^1$

素因数の和:12920

約数の個数: 32

約数和(自身を含む): 38979360

約数和(自身を除く): 20548090

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12889, 25778, 64445, 128890, 141779, 167557, 283558, 335114, 708895, 837785, 1417790, 1675570, 1843127, 3686254, 9215635, 18431270]

約数ペア:

[(1, 18431270), (2, 9215635), (5, 3686254), (10, 1843127), (11, 1675570), (13, 1417790), (22, 837785), (26, 708895), (55, 335114), (65, 283558), (110, 167557), (130, 141779), (143, 128890), (286, 64445), (715, 25778), (1430, 12889)]