18509796

素因数分解:

$2^2\times 3^5\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 49227360

約数和(自身を除く): 30717564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 137, 139, 162, 243, 274, 278, 324, 411, 417, 486, 548, 556, 822, 834, 972, 1233, 1251, 1644, 1668, 2466, 2502, 3699, 3753, 4932, 5004, 7398, 7506, 11097, 11259, 14796, 15012, 19043, 22194, 22518, 33291, 33777, 38086, 44388, 45036, 57129, 66582, 67554, 76172, 114258, 133164, 135108, 171387, 228516, 342774, 514161, 685548, 1028322, 1542483, 2056644, 3084966, 4627449, 6169932, 9254898, 18509796]

約数ペア:

[(1, 18509796), (2, 9254898), (3, 6169932), (4, 4627449), (6, 3084966), (9, 2056644), (12, 1542483), (18, 1028322), (27, 685548), (36, 514161), (54, 342774), (81, 228516), (108, 171387), (137, 135108), (139, 133164), (162, 114258), (243, 76172), (274, 67554), (278, 66582), (324, 57129), (411, 45036), (417, 44388), (486, 38086), (548, 33777), (556, 33291), (822, 22518), (834, 22194), (972, 19043), (1233, 15012), (1251, 14796), (1644, 11259), (1668, 11097), (2466, 7506), (2502, 7398), (3699, 5004), (3753, 4932)]