19402929

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 16885071

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 63, 91, 117, 149, 159, 189, 273, 351, 371, 447, 477, 689, 819, 1043, 1113, 1341, 1431, 1937, 2067, 2457, 3129, 3339, 4023, 4823, 5811, 6201, 7897, 9387, 10017, 13559, 14469, 17433, 18603, 23691, 28161, 40677, 43407, 52299, 55279, 71073, 102661, 122031, 130221, 165837, 213219, 307983, 366093, 497511, 718627, 923949, 1492533, 2155881, 2771847, 6467643, 19402929]

約数ペア:

[(1, 19402929), (3, 6467643), (7, 2771847), (9, 2155881), (13, 1492533), (21, 923949), (27, 718627), (39, 497511), (53, 366093), (63, 307983), (91, 213219), (117, 165837), (149, 130221), (159, 122031), (189, 102661), (273, 71073), (351, 55279), (371, 52299), (447, 43407), (477, 40677), (689, 28161), (819, 23691), (1043, 18603), (1113, 17433), (1341, 14469), (1431, 13559), (1937, 10017), (2067, 9387), (2457, 7897), (3129, 6201), (3339, 5811), (4023, 4823)]