15820974

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 39137280

約数和(自身を除く): 23316306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 186, 234, 279, 351, 403, 558, 702, 727, 806, 837, 1209, 1454, 1674, 2181, 2418, 3627, 4362, 6543, 7254, 9451, 10881, 13086, 18902, 19629, 21762, 22537, 28353, 39258, 45074, 56706, 67611, 85059, 135222, 170118, 202833, 255177, 292981, 405666, 510354, 585962, 608499, 878943, 1216998, 1757886, 2636829, 5273658, 7910487, 15820974]

約数ペア:

[(1, 15820974), (2, 7910487), (3, 5273658), (6, 2636829), (9, 1757886), (13, 1216998), (18, 878943), (26, 608499), (27, 585962), (31, 510354), (39, 405666), (54, 292981), (62, 255177), (78, 202833), (93, 170118), (117, 135222), (186, 85059), (234, 67611), (279, 56706), (351, 45074), (403, 39258), (558, 28353), (702, 22537), (727, 21762), (806, 19629), (837, 18902), (1209, 13086), (1454, 10881), (1674, 9451), (2181, 7254), (2418, 6543), (3627, 4362)]