18718140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1147

約数の個数: 96

約数和(自身を含む): 61415424

約数和(自身を除く): 42697284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1087, 1148, 1230, 1435, 1722, 2174, 2460, 2870, 3261, 3444, 4305, 4348, 5435, 5740, 6522, 7609, 8610, 10870, 13044, 15218, 16305, 17220, 21740, 22827, 30436, 32610, 38045, 44567, 45654, 65220, 76090, 89134, 91308, 114135, 133701, 152180, 178268, 222835, 228270, 267402, 311969, 445670, 456540, 534804, 623938, 668505, 891340, 935907, 1247876, 1337010, 1559845, 1871814, 2674020, 3119690, 3743628, 4679535, 6239380, 9359070, 18718140]

約数ペア:

[(1, 18718140), (2, 9359070), (3, 6239380), (4, 4679535), (5, 3743628), (6, 3119690), (7, 2674020), (10, 1871814), (12, 1559845), (14, 1337010), (15, 1247876), (20, 935907), (21, 891340), (28, 668505), (30, 623938), (35, 534804), (41, 456540), (42, 445670), (60, 311969), (70, 267402), (82, 228270), (84, 222835), (105, 178268), (123, 152180), (140, 133701), (164, 114135), (205, 91308), (210, 89134), (246, 76090), (287, 65220), (410, 45654), (420, 44567), (492, 38045), (574, 32610), (615, 30436), (820, 22827), (861, 21740), (1087, 17220), (1148, 16305), (1230, 15218), (1435, 13044), (1722, 10870), (2174, 8610), (2460, 7609), (2870, 6522), (3261, 5740), (3444, 5435), (4305, 4348)]