19636680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 68302080

約数和(自身を除く): 48665400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 241, 280, 291, 388, 420, 482, 485, 582, 679, 723, 776, 840, 964, 970, 1164, 1205, 1358, 1446, 1455, 1687, 1928, 1940, 2037, 2328, 2410, 2716, 2892, 2910, 3374, 3395, 3615, 3880, 4074, 4820, 5061, 5432, 5784, 5820, 6748, 6790, 7230, 8148, 8435, 9640, 10122, 10185, 11640, 13496, 13580, 14460, 16296, 16870, 20244, 20370, 23377, 25305, 27160, 28920, 33740, 40488, 40740, 46754, 50610, 67480, 70131, 81480, 93508, 101220, 116885, 140262, 163639, 187016, 202440, 233770, 280524, 327278, 350655, 467540, 490917, 561048, 654556, 701310, 818195, 935080, 981834, 1309112, 1402620, 1636390, 1963668, 2454585, 2805240, 3272780, 3927336, 4909170, 6545560, 9818340, 19636680]

約数ペア:

[(1, 19636680), (2, 9818340), (3, 6545560), (4, 4909170), (5, 3927336), (6, 3272780), (7, 2805240), (8, 2454585), (10, 1963668), (12, 1636390), (14, 1402620), (15, 1309112), (20, 981834), (21, 935080), (24, 818195), (28, 701310), (30, 654556), (35, 561048), (40, 490917), (42, 467540), (56, 350655), (60, 327278), (70, 280524), (84, 233770), (97, 202440), (105, 187016), (120, 163639), (140, 140262), (168, 116885), (194, 101220), (210, 93508), (241, 81480), (280, 70131), (291, 67480), (388, 50610), (420, 46754), (482, 40740), (485, 40488), (582, 33740), (679, 28920), (723, 27160), (776, 25305), (840, 23377), (964, 20370), (970, 20244), (1164, 16870), (1205, 16296), (1358, 14460), (1446, 13580), (1455, 13496), (1687, 11640), (1928, 10185), (1940, 10122), (2037, 9640), (2328, 8435), (2410, 8148), (2716, 7230), (2892, 6790), (2910, 6748), (3374, 5820), (3395, 5784), (3615, 5432), (3880, 5061), (4074, 4820)]