19285980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 96

約数和(自身を含む): 63092736

約数和(自身を除く): 43806756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 977, 987, 1316, 1410, 1645, 1954, 1974, 2820, 2931, 3290, 3908, 3948, 4885, 4935, 5862, 6580, 6839, 9770, 9870, 11724, 13678, 14655, 19540, 19740, 20517, 27356, 29310, 34195, 41034, 45919, 58620, 68390, 82068, 91838, 102585, 136780, 137757, 183676, 205170, 229595, 275514, 321433, 410340, 459190, 551028, 642866, 688785, 918380, 964299, 1285732, 1377570, 1607165, 1928598, 2755140, 3214330, 3857196, 4821495, 6428660, 9642990, 19285980]

約数ペア:

[(1, 19285980), (2, 9642990), (3, 6428660), (4, 4821495), (5, 3857196), (6, 3214330), (7, 2755140), (10, 1928598), (12, 1607165), (14, 1377570), (15, 1285732), (20, 964299), (21, 918380), (28, 688785), (30, 642866), (35, 551028), (42, 459190), (47, 410340), (60, 321433), (70, 275514), (84, 229595), (94, 205170), (105, 183676), (140, 137757), (141, 136780), (188, 102585), (210, 91838), (235, 82068), (282, 68390), (329, 58620), (420, 45919), (470, 41034), (564, 34195), (658, 29310), (705, 27356), (940, 20517), (977, 19740), (987, 19540), (1316, 14655), (1410, 13678), (1645, 11724), (1954, 9870), (1974, 9770), (2820, 6839), (2931, 6580), (3290, 5862), (3908, 4935), (3948, 4885)]