18870684

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 52093440

約数和(自身を除く): 33222756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 479, 588, 804, 938, 958, 1407, 1437, 1876, 1916, 2814, 2874, 3283, 3353, 5628, 5748, 6566, 6706, 9849, 10059, 13132, 13412, 19698, 20118, 23471, 32093, 39396, 40236, 46942, 64186, 70413, 93884, 96279, 128372, 140826, 192558, 224651, 281652, 385116, 449302, 673953, 898604, 1347906, 1572557, 2695812, 3145114, 4717671, 6290228, 9435342, 18870684]

約数ペア:

[(1, 18870684), (2, 9435342), (3, 6290228), (4, 4717671), (6, 3145114), (7, 2695812), (12, 1572557), (14, 1347906), (21, 898604), (28, 673953), (42, 449302), (49, 385116), (67, 281652), (84, 224651), (98, 192558), (134, 140826), (147, 128372), (196, 96279), (201, 93884), (268, 70413), (294, 64186), (402, 46942), (469, 40236), (479, 39396), (588, 32093), (804, 23471), (938, 20118), (958, 19698), (1407, 13412), (1437, 13132), (1876, 10059), (1916, 9849), (2814, 6706), (2874, 6566), (3283, 5748), (3353, 5628)]