18806700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 42439380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 41, 44, 50, 55, 60, 66, 75, 82, 100, 110, 123, 132, 139, 150, 164, 165, 205, 220, 246, 275, 278, 300, 330, 410, 417, 451, 492, 550, 556, 615, 660, 695, 820, 825, 834, 902, 1025, 1100, 1230, 1353, 1390, 1529, 1650, 1668, 1804, 2050, 2085, 2255, 2460, 2706, 2780, 3058, 3075, 3300, 3475, 4100, 4170, 4510, 4587, 5412, 5699, 6116, 6150, 6765, 6950, 7645, 8340, 9020, 9174, 10425, 11275, 11398, 12300, 13530, 13900, 15290, 17097, 18348, 20850, 22550, 22796, 22935, 27060, 28495, 30580, 33825, 34194, 38225, 41700, 45100, 45870, 56990, 62689, 67650, 68388, 76450, 85485, 91740, 113980, 114675, 125378, 135300, 142475, 152900, 170970, 188067, 229350, 250756, 284950, 313445, 341940, 376134, 427425, 458700, 569900, 626890, 752268, 854850, 940335, 1253780, 1567225, 1709700, 1880670, 3134450, 3761340, 4701675, 6268900, 9403350, 18806700]

約数ペア:

[(1, 18806700), (2, 9403350), (3, 6268900), (4, 4701675), (5, 3761340), (6, 3134450), (10, 1880670), (11, 1709700), (12, 1567225), (15, 1253780), (20, 940335), (22, 854850), (25, 752268), (30, 626890), (33, 569900), (41, 458700), (44, 427425), (50, 376134), (55, 341940), (60, 313445), (66, 284950), (75, 250756), (82, 229350), (100, 188067), (110, 170970), (123, 152900), (132, 142475), (139, 135300), (150, 125378), (164, 114675), (165, 113980), (205, 91740), (220, 85485), (246, 76450), (275, 68388), (278, 67650), (300, 62689), (330, 56990), (410, 45870), (417, 45100), (451, 41700), (492, 38225), (550, 34194), (556, 33825), (615, 30580), (660, 28495), (695, 27060), (820, 22935), (825, 22796), (834, 22550), (902, 20850), (1025, 18348), (1100, 17097), (1230, 15290), (1353, 13900), (1390, 13530), (1529, 12300), (1650, 11398), (1668, 11275), (1804, 10425), (2050, 9174), (2085, 9020), (2255, 8340), (2460, 7645), (2706, 6950), (2780, 6765), (3058, 6150), (3075, 6116), (3300, 5699), (3475, 5412), (4100, 4587), (4170, 4510)]