18996920316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{2357}}^1\times {\mathrm{20353}}^1$

素因数の和:22731

約数の個数: 72

約数和(自身を含む): 52410247344

約数和(自身を除く): 33413327028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 2357, 4714, 7071, 9428, 14142, 20353, 21213, 25927, 28284, 40706, 42426, 51854, 61059, 77781, 81412, 84852, 103708, 122118, 155562, 183177, 223883, 233343, 244236, 311124, 366354, 447766, 466686, 671649, 732708, 895532, 933372, 1343298, 2014947, 2686596, 4029894, 8059788, 47972021, 95944042, 143916063, 191888084, 287832126, 431748189, 527692231, 575664252, 863496378, 1055384462, 1583076693, 1726992756, 2110768924, 3166153386, 4749230079, 6332306772, 9498460158, 18996920316]

約数ペア:

[(1, 18996920316), (2, 9498460158), (3, 6332306772), (4, 4749230079), (6, 3166153386), (9, 2110768924), (11, 1726992756), (12, 1583076693), (18, 1055384462), (22, 863496378), (33, 575664252), (36, 527692231), (44, 431748189), (66, 287832126), (99, 191888084), (132, 143916063), (198, 95944042), (396, 47972021), (2357, 8059788), (4714, 4029894), (7071, 2686596), (9428, 2014947), (14142, 1343298), (20353, 933372), (21213, 895532), (25927, 732708), (28284, 671649), (40706, 466686), (42426, 447766), (51854, 366354), (61059, 311124), (77781, 244236), (81412, 233343), (84852, 223883), (103708, 183177), (122118, 155562)]