19860204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 72

約数和(自身を含む): 57388800

約数和(自身を除く): 37528596

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1399, 2028, 2366, 2798, 3549, 4197, 4732, 5596, 7098, 8394, 9793, 14196, 16788, 18187, 19586, 29379, 36374, 39172, 54561, 58758, 72748, 109122, 117516, 127309, 218244, 236431, 254618, 381927, 472862, 509236, 709293, 763854, 945724, 1418586, 1527708, 1655017, 2837172, 3310034, 4965051, 6620068, 9930102, 19860204]

約数ペア:

[(1, 19860204), (2, 9930102), (3, 6620068), (4, 4965051), (6, 3310034), (7, 2837172), (12, 1655017), (13, 1527708), (14, 1418586), (21, 945724), (26, 763854), (28, 709293), (39, 509236), (42, 472862), (52, 381927), (78, 254618), (84, 236431), (91, 218244), (156, 127309), (169, 117516), (182, 109122), (273, 72748), (338, 58758), (364, 54561), (507, 39172), (546, 36374), (676, 29379), (1014, 19586), (1092, 18187), (1183, 16788), (1399, 14196), (2028, 9793), (2366, 8394), (2798, 7098), (3549, 5596), (4197, 4732)]