19827780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2777}}^1$

素因数の和:2813

約数の個数: 96

約数和(自身を含む): 67205376

約数和(自身を除く): 47377596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2777, 3570, 5554, 7140, 8331, 11108, 13885, 16662, 19439, 27770, 33324, 38878, 41655, 47209, 55540, 58317, 77756, 83310, 94418, 97195, 116634, 141627, 166620, 188836, 194390, 233268, 236045, 283254, 291585, 330463, 388780, 472090, 566508, 583170, 660926, 708135, 944180, 991389, 1166340, 1321852, 1416270, 1652315, 1982778, 2832540, 3304630, 3965556, 4956945, 6609260, 9913890, 19827780]

約数ペア:

[(1, 19827780), (2, 9913890), (3, 6609260), (4, 4956945), (5, 3965556), (6, 3304630), (7, 2832540), (10, 1982778), (12, 1652315), (14, 1416270), (15, 1321852), (17, 1166340), (20, 991389), (21, 944180), (28, 708135), (30, 660926), (34, 583170), (35, 566508), (42, 472090), (51, 388780), (60, 330463), (68, 291585), (70, 283254), (84, 236045), (85, 233268), (102, 194390), (105, 188836), (119, 166620), (140, 141627), (170, 116634), (204, 97195), (210, 94418), (238, 83310), (255, 77756), (340, 58317), (357, 55540), (420, 47209), (476, 41655), (510, 38878), (595, 33324), (714, 27770), (1020, 19439), (1190, 16662), (1428, 13885), (1785, 11108), (2380, 8331), (2777, 7140), (3570, 5554)]