18809028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 54949440

約数和(自身を除く): 36140412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 739, 909, 1212, 1414, 1478, 1818, 2121, 2217, 2828, 2956, 3636, 4242, 4434, 5173, 6363, 6651, 8484, 8868, 10346, 12726, 13302, 15519, 20692, 25452, 26604, 31038, 46557, 62076, 74639, 93114, 149278, 186228, 223917, 298556, 447834, 522473, 671751, 895668, 1044946, 1343502, 1567419, 2089892, 2687004, 3134838, 4702257, 6269676, 9404514, 18809028]

約数ペア:

[(1, 18809028), (2, 9404514), (3, 6269676), (4, 4702257), (6, 3134838), (7, 2687004), (9, 2089892), (12, 1567419), (14, 1343502), (18, 1044946), (21, 895668), (28, 671751), (36, 522473), (42, 447834), (63, 298556), (84, 223917), (101, 186228), (126, 149278), (202, 93114), (252, 74639), (303, 62076), (404, 46557), (606, 31038), (707, 26604), (739, 25452), (909, 20692), (1212, 15519), (1414, 13302), (1478, 12726), (1818, 10346), (2121, 8868), (2217, 8484), (2828, 6651), (2956, 6363), (3636, 5173), (4242, 4434)]