18996870438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3865867}}^1$

素因数の和:3865898

約数の個数: 64

約数和(自身を含む): 51957265920

約数和(自身を除く): 32960395482

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 3865867, 7731734, 11597601, 23195202, 27061069, 34792803, 50256271, 54122138, 69585606, 81183207, 100512542, 104378409, 150768813, 162366414, 208756818, 243549621, 301537626, 351793897, 452306439, 487099242, 703587794, 730648863, 904612878, 1055381691, 1356919317, 1461297726, 2110763382, 2713838634, 3166145073, 6332290146, 9498435219, 18996870438]

約数ペア:

[(1, 18996870438), (2, 9498435219), (3, 6332290146), (6, 3166145073), (7, 2713838634), (9, 2110763382), (13, 1461297726), (14, 1356919317), (18, 1055381691), (21, 904612878), (26, 730648863), (27, 703587794), (39, 487099242), (42, 452306439), (54, 351793897), (63, 301537626), (78, 243549621), (91, 208756818), (117, 162366414), (126, 150768813), (182, 104378409), (189, 100512542), (234, 81183207), (273, 69585606), (351, 54122138), (378, 50256271), (546, 34792803), (702, 27061069), (819, 23195202), (1638, 11597601), (2457, 7731734), (4914, 3865867)]