18782820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4969}}^1$

素因数の和:4994

約数の個数: 96

約数和(自身を含む): 66796800

約数和(自身を除く): 48013980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4969, 9938, 14907, 19876, 24845, 29814, 34783, 44721, 49690, 59628, 69566, 74535, 89442, 99380, 104349, 134163, 139132, 149070, 173915, 178884, 208698, 223605, 268326, 298140, 313047, 347830, 417396, 447210, 521745, 536652, 626094, 670815, 695660, 894420, 939141, 1043490, 1252188, 1341630, 1565235, 1878282, 2086980, 2683260, 3130470, 3756564, 4695705, 6260940, 9391410, 18782820]

約数ペア:

[(1, 18782820), (2, 9391410), (3, 6260940), (4, 4695705), (5, 3756564), (6, 3130470), (7, 2683260), (9, 2086980), (10, 1878282), (12, 1565235), (14, 1341630), (15, 1252188), (18, 1043490), (20, 939141), (21, 894420), (27, 695660), (28, 670815), (30, 626094), (35, 536652), (36, 521745), (42, 447210), (45, 417396), (54, 347830), (60, 313047), (63, 298140), (70, 268326), (84, 223605), (90, 208698), (105, 178884), (108, 173915), (126, 149070), (135, 139132), (140, 134163), (180, 104349), (189, 99380), (210, 89442), (252, 74535), (270, 69566), (315, 59628), (378, 49690), (420, 44721), (540, 34783), (630, 29814), (756, 24845), (945, 19876), (1260, 14907), (1890, 9938), (3780, 4969)]