19816188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 54698112

約数和(自身を除く): 34881924

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, 503, 588, 804, 938, 1006, 1407, 1509, 1876, 2012, 2814, 3018, 3283, 3521, 5628, 6036, 6566, 7042, 9849, 10563, 13132, 14084, 19698, 21126, 24647, 33701, 39396, 42252, 49294, 67402, 73941, 98588, 101103, 134804, 147882, 202206, 235907, 295764, 404412, 471814, 707721, 943628, 1415442, 1651349, 2830884, 3302698, 4954047, 6605396, 9908094, 19816188]

約数ペア:

[(1, 19816188), (2, 9908094), (3, 6605396), (4, 4954047), (6, 3302698), (7, 2830884), (12, 1651349), (14, 1415442), (21, 943628), (28, 707721), (42, 471814), (49, 404412), (67, 295764), (84, 235907), (98, 202206), (134, 147882), (147, 134804), (196, 101103), (201, 98588), (268, 73941), (294, 67402), (402, 49294), (469, 42252), (503, 39396), (588, 33701), (804, 24647), (938, 21126), (1006, 19698), (1407, 14084), (1509, 13132), (1876, 10563), (2012, 9849), (2814, 7042), (3018, 6566), (3283, 6036), (3521, 5628)]