1990332018

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{2437}}^1$

素因数の和:2636

約数の個数: 72

約数和(自身を含む): 4612047492

約数和(自身を除く): 2621715474

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 157, 289, 306, 314, 471, 578, 867, 942, 1413, 1734, 2437, 2601, 2669, 2826, 4874, 5202, 5338, 7311, 8007, 14622, 16014, 21933, 24021, 41429, 43866, 45373, 48042, 82858, 90746, 124287, 136119, 248574, 272238, 372861, 382609, 408357, 704293, 745722, 765218, 816714, 1147827, 1408586, 2112879, 2295654, 3443481, 4225758, 6338637, 6504353, 6886962, 12677274, 13008706, 19513059, 39026118, 58539177, 110574001, 117078354, 221148002, 331722003, 663444006, 995166009, 1990332018]

約数ペア:

[(1, 1990332018), (2, 995166009), (3, 663444006), (6, 331722003), (9, 221148002), (17, 117078354), (18, 110574001), (34, 58539177), (51, 39026118), (102, 19513059), (153, 13008706), (157, 12677274), (289, 6886962), (306, 6504353), (314, 6338637), (471, 4225758), (578, 3443481), (867, 2295654), (942, 2112879), (1413, 1408586), (1734, 1147827), (2437, 816714), (2601, 765218), (2669, 745722), (2826, 704293), (4874, 408357), (5202, 382609), (5338, 372861), (7311, 272238), (8007, 248574), (14622, 136119), (16014, 124287), (21933, 90746), (24021, 82858), (41429, 48042), (43866, 45373)]