18870012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 55118336

約数和(自身を除く): 36248324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 727, 927, 1236, 1442, 1454, 1854, 2163, 2181, 2884, 2908, 3708, 4326, 4362, 5089, 6489, 6543, 8652, 8724, 10178, 12978, 13086, 15267, 20356, 25956, 26172, 30534, 45801, 61068, 74881, 91602, 149762, 183204, 224643, 299524, 449286, 524167, 673929, 898572, 1048334, 1347858, 1572501, 2096668, 2695716, 3145002, 4717503, 6290004, 9435006, 18870012]

約数ペア:

[(1, 18870012), (2, 9435006), (3, 6290004), (4, 4717503), (6, 3145002), (7, 2695716), (9, 2096668), (12, 1572501), (14, 1347858), (18, 1048334), (21, 898572), (28, 673929), (36, 524167), (42, 449286), (63, 299524), (84, 224643), (103, 183204), (126, 149762), (206, 91602), (252, 74881), (309, 61068), (412, 45801), (618, 30534), (721, 26172), (727, 25956), (927, 20356), (1236, 15267), (1442, 13086), (1454, 12978), (1854, 10178), (2163, 8724), (2181, 8652), (2884, 6543), (2908, 6489), (3708, 5089), (4326, 4362)]