16958830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 20780690

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 311, 410, 574, 622, 665, 779, 1330, 1435, 1555, 1558, 2177, 2870, 3110, 3895, 4354, 5453, 5909, 7790, 10885, 10906, 11818, 12751, 21770, 25502, 27265, 29545, 41363, 54530, 59090, 63755, 82726, 89257, 127510, 178514, 206815, 242269, 413630, 446285, 484538, 892570, 1211345, 1695883, 2422690, 3391766, 8479415, 16958830]

約数ペア:

[(1, 16958830), (2, 8479415), (5, 3391766), (7, 2422690), (10, 1695883), (14, 1211345), (19, 892570), (35, 484538), (38, 446285), (41, 413630), (70, 242269), (82, 206815), (95, 178514), (133, 127510), (190, 89257), (205, 82726), (266, 63755), (287, 59090), (311, 54530), (410, 41363), (574, 29545), (622, 27265), (665, 25502), (779, 21770), (1330, 12751), (1435, 11818), (1555, 10906), (1558, 10885), (2177, 7790), (2870, 5909), (3110, 5453), (3895, 4354)]