19400520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 43268280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 67, 76, 95, 114, 120, 127, 134, 152, 190, 201, 228, 254, 268, 285, 335, 380, 381, 402, 456, 508, 536, 570, 635, 670, 760, 762, 804, 1005, 1016, 1140, 1270, 1273, 1340, 1524, 1608, 1905, 2010, 2280, 2413, 2540, 2546, 2680, 3048, 3810, 3819, 4020, 4826, 5080, 5092, 6365, 7239, 7620, 7638, 8040, 8509, 9652, 10184, 12065, 12730, 14478, 15240, 15276, 17018, 19095, 19304, 24130, 25460, 25527, 28956, 30552, 34036, 36195, 38190, 42545, 48260, 50920, 51054, 57912, 68072, 72390, 76380, 85090, 96520, 102108, 127635, 144780, 152760, 161671, 170180, 204216, 255270, 289560, 323342, 340360, 485013, 510540, 646684, 808355, 970026, 1021080, 1293368, 1616710, 1940052, 2425065, 3233420, 3880104, 4850130, 6466840, 9700260, 19400520]

約数ペア:

[(1, 19400520), (2, 9700260), (3, 6466840), (4, 4850130), (5, 3880104), (6, 3233420), (8, 2425065), (10, 1940052), (12, 1616710), (15, 1293368), (19, 1021080), (20, 970026), (24, 808355), (30, 646684), (38, 510540), (40, 485013), (57, 340360), (60, 323342), (67, 289560), (76, 255270), (95, 204216), (114, 170180), (120, 161671), (127, 152760), (134, 144780), (152, 127635), (190, 102108), (201, 96520), (228, 85090), (254, 76380), (268, 72390), (285, 68072), (335, 57912), (380, 51054), (381, 50920), (402, 48260), (456, 42545), (508, 38190), (536, 36195), (570, 34036), (635, 30552), (670, 28956), (760, 25527), (762, 25460), (804, 24130), (1005, 19304), (1016, 19095), (1140, 17018), (1270, 15276), (1273, 15240), (1340, 14478), (1524, 12730), (1608, 12065), (1905, 10184), (2010, 9652), (2280, 8509), (2413, 8040), (2540, 7638), (2546, 7620), (2680, 7239), (3048, 6365), (3810, 5092), (3819, 5080), (4020, 4826)]