16218818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 33454080

約数和(自身を除く): 17235262

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 241, 253, 266, 322, 418, 437, 482, 506, 874, 1463, 1687, 1771, 2651, 2926, 3059, 3374, 3542, 4579, 4807, 5302, 5543, 6118, 9158, 9614, 11086, 18557, 32053, 33649, 37114, 38801, 50369, 60973, 64106, 67298, 77602, 100738, 105317, 121946, 210634, 352583, 426811, 705166, 737219, 853622, 1158487, 1474438, 2316974, 8109409, 16218818]

約数ペア:

[(1, 16218818), (2, 8109409), (7, 2316974), (11, 1474438), (14, 1158487), (19, 853622), (22, 737219), (23, 705166), (38, 426811), (46, 352583), (77, 210634), (133, 121946), (154, 105317), (161, 100738), (209, 77602), (241, 67298), (253, 64106), (266, 60973), (322, 50369), (418, 38801), (437, 37114), (482, 33649), (506, 32053), (874, 18557), (1463, 11086), (1687, 9614), (1771, 9158), (2651, 6118), (2926, 5543), (3059, 5302), (3374, 4807), (3542, 4579)]