19493880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1053

約数の個数: 128

約数和(自身を含む): 69811200

約数和(自身を除く): 50317320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1009, 1288, 1380, 1610, 1932, 2018, 2415, 2760, 3027, 3220, 3864, 4036, 4830, 5045, 6054, 6440, 7063, 8072, 9660, 10090, 12108, 14126, 15135, 19320, 20180, 21189, 23207, 24216, 28252, 30270, 35315, 40360, 42378, 46414, 56504, 60540, 69621, 70630, 84756, 92828, 105945, 116035, 121080, 139242, 141260, 162449, 169512, 185656, 211890, 232070, 278484, 282520, 324898, 348105, 423780, 464140, 487347, 556968, 649796, 696210, 812245, 847560, 928280, 974694, 1299592, 1392420, 1624490, 1949388, 2436735, 2784840, 3248980, 3898776, 4873470, 6497960, 9746940, 19493880]

約数ペア:

[(1, 19493880), (2, 9746940), (3, 6497960), (4, 4873470), (5, 3898776), (6, 3248980), (7, 2784840), (8, 2436735), (10, 1949388), (12, 1624490), (14, 1392420), (15, 1299592), (20, 974694), (21, 928280), (23, 847560), (24, 812245), (28, 696210), (30, 649796), (35, 556968), (40, 487347), (42, 464140), (46, 423780), (56, 348105), (60, 324898), (69, 282520), (70, 278484), (84, 232070), (92, 211890), (105, 185656), (115, 169512), (120, 162449), (138, 141260), (140, 139242), (161, 121080), (168, 116035), (184, 105945), (210, 92828), (230, 84756), (276, 70630), (280, 69621), (322, 60540), (345, 56504), (420, 46414), (460, 42378), (483, 40360), (552, 35315), (644, 30270), (690, 28252), (805, 24216), (840, 23207), (920, 21189), (966, 20180), (1009, 19320), (1288, 15135), (1380, 14126), (1610, 12108), (1932, 10090), (2018, 9660), (2415, 8072), (2760, 7063), (3027, 6440), (3220, 6054), (3864, 5045), (4036, 4830)]