19735380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 53808300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 227, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 454, 460, 483, 540, 621, 630, 644, 681, 690, 756, 805, 828, 908, 945, 966, 1035, 1135, 1242, 1260, 1362, 1380, 1449, 1589, 1610, 1890, 1932, 2043, 2070, 2270, 2415, 2484, 2724, 2898, 3105, 3178, 3220, 3405, 3780, 4086, 4140, 4347, 4540, 4767, 4830, 5221, 5796, 6129, 6210, 6356, 6810, 7245, 7945, 8172, 8694, 9534, 9660, 10215, 10442, 12258, 12420, 13620, 14301, 14490, 15663, 15890, 17388, 19068, 20430, 20884, 21735, 23835, 24516, 26105, 28602, 28980, 30645, 31326, 31780, 36547, 40860, 42903, 43470, 46989, 47670, 52210, 57204, 61290, 62652, 71505, 73094, 78315, 85806, 86940, 93978, 95340, 104420, 109641, 122580, 140967, 143010, 146188, 156630, 171612, 182735, 187956, 214515, 219282, 234945, 281934, 286020, 313260, 328923, 365470, 429030, 438564, 469890, 548205, 563868, 657846, 704835, 730940, 858060, 939780, 986769, 1096410, 1315692, 1409670, 1644615, 1973538, 2192820, 2819340, 3289230, 3947076, 4933845, 6578460, 9867690, 19735380]

約数ペア:

[(1, 19735380), (2, 9867690), (3, 6578460), (4, 4933845), (5, 3947076), (6, 3289230), (7, 2819340), (9, 2192820), (10, 1973538), (12, 1644615), (14, 1409670), (15, 1315692), (18, 1096410), (20, 986769), (21, 939780), (23, 858060), (27, 730940), (28, 704835), (30, 657846), (35, 563868), (36, 548205), (42, 469890), (45, 438564), (46, 429030), (54, 365470), (60, 328923), (63, 313260), (69, 286020), (70, 281934), (84, 234945), (90, 219282), (92, 214515), (105, 187956), (108, 182735), (115, 171612), (126, 156630), (135, 146188), (138, 143010), (140, 140967), (161, 122580), (180, 109641), (189, 104420), (207, 95340), (210, 93978), (227, 86940), (230, 85806), (252, 78315), (270, 73094), (276, 71505), (315, 62652), (322, 61290), (345, 57204), (378, 52210), (414, 47670), (420, 46989), (454, 43470), (460, 42903), (483, 40860), (540, 36547), (621, 31780), (630, 31326), (644, 30645), (681, 28980), (690, 28602), (756, 26105), (805, 24516), (828, 23835), (908, 21735), (945, 20884), (966, 20430), (1035, 19068), (1135, 17388), (1242, 15890), (1260, 15663), (1362, 14490), (1380, 14301), (1449, 13620), (1589, 12420), (1610, 12258), (1890, 10442), (1932, 10215), (2043, 9660), (2070, 9534), (2270, 8694), (2415, 8172), (2484, 7945), (2724, 7245), (2898, 6810), (3105, 6356), (3178, 6210), (3220, 6129), (3405, 5796), (3780, 5221), (4086, 4830), (4140, 4767), (4347, 4540)]