2018200520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10253}}^1$

素因数の和:10327

約数の個数: 128

約数和(自身を含む): 5610988800

約数和(自身を除く): 3592788280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 518, 532, 665, 703, 740, 760, 1036, 1064, 1295, 1330, 1406, 1480, 2072, 2590, 2660, 2812, 3515, 4921, 5180, 5320, 5624, 7030, 9842, 10253, 10360, 14060, 19684, 20506, 24605, 28120, 39368, 41012, 49210, 51265, 71771, 82024, 98420, 102530, 143542, 194807, 196840, 205060, 287084, 358855, 379361, 389614, 410120, 574168, 717710, 758722, 779228, 974035, 1363649, 1435420, 1517444, 1558456, 1896805, 1948070, 2655527, 2727298, 2870840, 3034888, 3793610, 3896140, 5311054, 5454596, 6818245, 7207859, 7587220, 7792280, 10622108, 10909192, 13277635, 13636490, 14415718, 15174440, 21244216, 26555270, 27272980, 28831436, 36039295, 50455013, 53110540, 54545960, 57662872, 72078590, 100910026, 106221080, 144157180, 201820052, 252275065, 288314360, 403640104, 504550130, 1009100260, 2018200520]

約数ペア:

[(1, 2018200520), (2, 1009100260), (4, 504550130), (5, 403640104), (7, 288314360), (8, 252275065), (10, 201820052), (14, 144157180), (19, 106221080), (20, 100910026), (28, 72078590), (35, 57662872), (37, 54545960), (38, 53110540), (40, 50455013), (56, 36039295), (70, 28831436), (74, 27272980), (76, 26555270), (95, 21244216), (133, 15174440), (140, 14415718), (148, 13636490), (152, 13277635), (185, 10909192), (190, 10622108), (259, 7792280), (266, 7587220), (280, 7207859), (296, 6818245), (370, 5454596), (380, 5311054), (518, 3896140), (532, 3793610), (665, 3034888), (703, 2870840), (740, 2727298), (760, 2655527), (1036, 1948070), (1064, 1896805), (1295, 1558456), (1330, 1517444), (1406, 1435420), (1480, 1363649), (2072, 974035), (2590, 779228), (2660, 758722), (2812, 717710), (3515, 574168), (4921, 410120), (5180, 389614), (5320, 379361), (5624, 358855), (7030, 287084), (9842, 205060), (10253, 196840), (10360, 194807), (14060, 143542), (19684, 102530), (20506, 98420), (24605, 82024), (28120, 71771), (39368, 51265), (41012, 49210)]