18862620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 61114368

約数和(自身を除く): 42251748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 463, 485, 582, 679, 926, 970, 1164, 1358, 1389, 1455, 1852, 1940, 2037, 2315, 2716, 2778, 2910, 3241, 3395, 4074, 4630, 5556, 5820, 6482, 6790, 6945, 8148, 9260, 9723, 10185, 12964, 13580, 13890, 16205, 19446, 20370, 27780, 32410, 38892, 40740, 44911, 48615, 64820, 89822, 97230, 134733, 179644, 194460, 224555, 269466, 314377, 449110, 538932, 628754, 673665, 898220, 943131, 1257508, 1347330, 1571885, 1886262, 2694660, 3143770, 3772524, 4715655, 6287540, 9431310, 18862620]

約数ペア:

[(1, 18862620), (2, 9431310), (3, 6287540), (4, 4715655), (5, 3772524), (6, 3143770), (7, 2694660), (10, 1886262), (12, 1571885), (14, 1347330), (15, 1257508), (20, 943131), (21, 898220), (28, 673665), (30, 628754), (35, 538932), (42, 449110), (60, 314377), (70, 269466), (84, 224555), (97, 194460), (105, 179644), (140, 134733), (194, 97230), (210, 89822), (291, 64820), (388, 48615), (420, 44911), (463, 40740), (485, 38892), (582, 32410), (679, 27780), (926, 20370), (970, 19446), (1164, 16205), (1358, 13890), (1389, 13580), (1455, 12964), (1852, 10185), (1940, 9723), (2037, 9260), (2315, 8148), (2716, 6945), (2778, 6790), (2910, 6482), (3241, 5820), (3395, 5556), (4074, 4630)]