18887652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 54966912

約数和(自身を除く): 36079260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 311, 482, 622, 723, 933, 964, 1244, 1446, 1687, 1866, 2169, 2177, 2799, 2892, 3374, 3732, 4338, 4354, 5061, 5598, 6531, 6748, 8676, 8708, 10122, 11196, 13062, 15183, 19593, 20244, 26124, 30366, 39186, 60732, 74951, 78372, 149902, 224853, 299804, 449706, 524657, 674559, 899412, 1049314, 1349118, 1573971, 2098628, 2698236, 3147942, 4721913, 6295884, 9443826, 18887652]

約数ペア:

[(1, 18887652), (2, 9443826), (3, 6295884), (4, 4721913), (6, 3147942), (7, 2698236), (9, 2098628), (12, 1573971), (14, 1349118), (18, 1049314), (21, 899412), (28, 674559), (36, 524657), (42, 449706), (63, 299804), (84, 224853), (126, 149902), (241, 78372), (252, 74951), (311, 60732), (482, 39186), (622, 30366), (723, 26124), (933, 20244), (964, 19593), (1244, 15183), (1446, 13062), (1687, 11196), (1866, 10122), (2169, 8708), (2177, 8676), (2799, 6748), (2892, 6531), (3374, 5598), (3732, 5061), (4338, 4354)]