18804947868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4389577}}^1$

素因数の和:4389611

約数の個数: 72

約数和(自身を含む): 57521030112

約数和(自身を除く): 38716082244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4389577, 8779154, 13168731, 17558308, 26337462, 30727039, 39506193, 52674924, 61454078, 74622809, 79012386, 92181117, 122908156, 149245618, 158024772, 184362234, 223868427, 276543351, 298491236, 368724468, 447736854, 522359663, 553086702, 671605281, 895473708, 1044719326, 1106173404, 1343210562, 1567078989, 2089438652, 2686421124, 3134157978, 4701236967, 6268315956, 9402473934, 18804947868]

約数ペア:

[(1, 18804947868), (2, 9402473934), (3, 6268315956), (4, 4701236967), (6, 3134157978), (7, 2686421124), (9, 2089438652), (12, 1567078989), (14, 1343210562), (17, 1106173404), (18, 1044719326), (21, 895473708), (28, 671605281), (34, 553086702), (36, 522359663), (42, 447736854), (51, 368724468), (63, 298491236), (68, 276543351), (84, 223868427), (102, 184362234), (119, 158024772), (126, 149245618), (153, 122908156), (204, 92181117), (238, 79012386), (252, 74622809), (306, 61454078), (357, 52674924), (476, 39506193), (612, 30727039), (714, 26337462), (1071, 17558308), (1428, 13168731), (2142, 8779154), (4284, 4389577)]