18685337188

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{5839}}^1$

素因数の和:6449

約数の個数: 72

約数和(自身を含む): 39426307200

約数和(自身を除く): 20740970012

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 563, 812, 1126, 1421, 2252, 2842, 3941, 5684, 5839, 7882, 11678, 15764, 16327, 23356, 27587, 32654, 40873, 55174, 65308, 81746, 110348, 114289, 163492, 169331, 228578, 286111, 338662, 457156, 572222, 677324, 800023, 1144444, 1185317, 1600046, 2370634, 3200092, 3287357, 4741268, 6574714, 8297219, 13149428, 16594438, 23011499, 33188876, 46022998, 92045996, 95333353, 161080493, 190666706, 322160986, 381333412, 644321972, 667333471, 1334666942, 2669333884, 4671334297, 9342668594, 18685337188]

約数ペア:

[(1, 18685337188), (2, 9342668594), (4, 4671334297), (7, 2669333884), (14, 1334666942), (28, 667333471), (29, 644321972), (49, 381333412), (58, 322160986), (98, 190666706), (116, 161080493), (196, 95333353), (203, 92045996), (406, 46022998), (563, 33188876), (812, 23011499), (1126, 16594438), (1421, 13149428), (2252, 8297219), (2842, 6574714), (3941, 4741268), (5684, 3287357), (5839, 3200092), (7882, 2370634), (11678, 1600046), (15764, 1185317), (16327, 1144444), (23356, 800023), (27587, 677324), (32654, 572222), (40873, 457156), (55174, 338662), (65308, 286111), (81746, 228578), (110348, 169331), (114289, 163492)]