18922540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 50408064

約数和(自身を除く): 31485524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 281, 364, 370, 455, 481, 518, 562, 740, 910, 962, 1036, 1124, 1295, 1405, 1820, 1924, 1967, 2405, 2590, 2810, 3367, 3653, 3934, 4810, 5180, 5620, 6734, 7306, 7868, 9620, 9835, 10397, 13468, 14612, 16835, 18265, 19670, 20794, 25571, 33670, 36530, 39340, 41588, 51142, 51985, 67340, 72779, 73060, 102284, 103970, 127855, 135161, 145558, 207940, 255710, 270322, 291116, 363895, 511420, 540644, 675805, 727790, 946127, 1351610, 1455580, 1892254, 2703220, 3784508, 4730635, 9461270, 18922540]

約数ペア:

[(1, 18922540), (2, 9461270), (4, 4730635), (5, 3784508), (7, 2703220), (10, 1892254), (13, 1455580), (14, 1351610), (20, 946127), (26, 727790), (28, 675805), (35, 540644), (37, 511420), (52, 363895), (65, 291116), (70, 270322), (74, 255710), (91, 207940), (130, 145558), (140, 135161), (148, 127855), (182, 103970), (185, 102284), (259, 73060), (260, 72779), (281, 67340), (364, 51985), (370, 51142), (455, 41588), (481, 39340), (518, 36530), (562, 33670), (740, 25571), (910, 20794), (962, 19670), (1036, 18265), (1124, 16835), (1295, 14612), (1405, 13468), (1820, 10397), (1924, 9835), (1967, 9620), (2405, 7868), (2590, 7306), (2810, 6734), (3367, 5620), (3653, 5180), (3934, 4810)]