18996820947

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1\times {\mathrm{947}}^1$

素因数の和:1889

約数の個数: 64

約数和(自身を含む): 30829263360

約数和(自身を除く): 11832442413

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 853, 871, 947, 1809, 2559, 2613, 2841, 7677, 7839, 8523, 11089, 12311, 23031, 23517, 25569, 33267, 36933, 57151, 63449, 99801, 110799, 171453, 190347, 299403, 332397, 514359, 571041, 742963, 807791, 824837, 1543077, 1713123, 2228889, 2423373, 2474511, 6686667, 7270119, 7423533, 10501283, 20060001, 21810357, 22270599, 31503849, 54121997, 94511547, 162365991, 283534641, 487097973, 703585961, 1461293919, 2110757883, 6332273649, 18996820947]

約数ペア:

[(1, 18996820947), (3, 6332273649), (9, 2110757883), (13, 1461293919), (27, 703585961), (39, 487097973), (67, 283534641), (117, 162365991), (201, 94511547), (351, 54121997), (603, 31503849), (853, 22270599), (871, 21810357), (947, 20060001), (1809, 10501283), (2559, 7423533), (2613, 7270119), (2841, 6686667), (7677, 2474511), (7839, 2423373), (8523, 2228889), (11089, 1713123), (12311, 1543077), (23031, 824837), (23517, 807791), (25569, 742963), (33267, 571041), (36933, 514359), (57151, 332397), (63449, 299403), (99801, 190347), (110799, 171453)]