18170940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7043}}^1$

素因数の和:7098

約数の個数: 48

約数和(自身を含む): 52069248

約数和(自身を除く): 33898308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7043, 14086, 21129, 28172, 35215, 42258, 70430, 84516, 105645, 140860, 211290, 302849, 422580, 605698, 908547, 1211396, 1514245, 1817094, 3028490, 3634188, 4542735, 6056980, 9085470, 18170940]

約数ペア:

[(1, 18170940), (2, 9085470), (3, 6056980), (4, 4542735), (5, 3634188), (6, 3028490), (10, 1817094), (12, 1514245), (15, 1211396), (20, 908547), (30, 605698), (43, 422580), (60, 302849), (86, 211290), (129, 140860), (172, 105645), (215, 84516), (258, 70430), (430, 42258), (516, 35215), (645, 28172), (860, 21129), (1290, 14086), (2580, 7043)]