19806570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 59529600

約数和(自身を除く): 39723030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 149, 210, 211, 298, 315, 422, 447, 630, 633, 745, 894, 1043, 1055, 1266, 1341, 1477, 1490, 1899, 2086, 2110, 2235, 2682, 2954, 3129, 3165, 3798, 4431, 4470, 5215, 6258, 6330, 6705, 7385, 8862, 9387, 9495, 10430, 13293, 13410, 14770, 15645, 18774, 18990, 22155, 26586, 31290, 31439, 44310, 46935, 62878, 66465, 93870, 94317, 132930, 157195, 188634, 220073, 282951, 314390, 440146, 471585, 565902, 660219, 943170, 1100365, 1320438, 1414755, 1980657, 2200730, 2829510, 3301095, 3961314, 6602190, 9903285, 19806570]

約数ペア:

[(1, 19806570), (2, 9903285), (3, 6602190), (5, 3961314), (6, 3301095), (7, 2829510), (9, 2200730), (10, 1980657), (14, 1414755), (15, 1320438), (18, 1100365), (21, 943170), (30, 660219), (35, 565902), (42, 471585), (45, 440146), (63, 314390), (70, 282951), (90, 220073), (105, 188634), (126, 157195), (149, 132930), (210, 94317), (211, 93870), (298, 66465), (315, 62878), (422, 46935), (447, 44310), (630, 31439), (633, 31290), (745, 26586), (894, 22155), (1043, 18990), (1055, 18774), (1266, 15645), (1341, 14770), (1477, 13410), (1490, 13293), (1899, 10430), (2086, 9495), (2110, 9387), (2235, 8862), (2682, 7385), (2954, 6705), (3129, 6330), (3165, 6258), (3798, 5215), (4431, 4470)]