1900403218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 3531386880

約数和(自身を除く): 1630983662

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 271, 287, 542, 574, 643, 779, 1286, 1558, 1897, 3794, 4501, 5149, 5453, 9002, 10298, 10906, 11111, 12217, 22222, 24434, 26363, 36043, 52726, 72086, 77777, 85519, 155554, 171038, 174253, 184541, 211109, 348506, 369082, 422218, 500897, 1001794, 1219771, 1477763, 2439542, 2955526, 3310807, 3506279, 6621614, 7012558, 7144373, 14288746, 23175649, 46351298, 50010611, 100021222, 135743087, 271486174, 950201609, 1900403218]

約数ペア:

[(1, 1900403218), (2, 950201609), (7, 271486174), (14, 135743087), (19, 100021222), (38, 50010611), (41, 46351298), (82, 23175649), (133, 14288746), (266, 7144373), (271, 7012558), (287, 6621614), (542, 3506279), (574, 3310807), (643, 2955526), (779, 2439542), (1286, 1477763), (1558, 1219771), (1897, 1001794), (3794, 500897), (4501, 422218), (5149, 369082), (5453, 348506), (9002, 211109), (10298, 184541), (10906, 174253), (11111, 171038), (12217, 155554), (22222, 85519), (24434, 77777), (26363, 72086), (36043, 52726)]