19520865

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 43666560

約数和(自身を除く): 24145695

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 91, 105, 117, 135, 147, 189, 195, 227, 245, 273, 315, 351, 441, 455, 585, 637, 681, 735, 819, 945, 1135, 1323, 1365, 1589, 1755, 1911, 2043, 2205, 2457, 2951, 3185, 3405, 4095, 4767, 5733, 6129, 6615, 7945, 8853, 9555, 10215, 11123, 12285, 14301, 14755, 17199, 20657, 23835, 26559, 28665, 30645, 33369, 42903, 44265, 55615, 61971, 71505, 79677, 85995, 100107, 103285, 132795, 144599, 166845, 185913, 214515, 300321, 309855, 398385, 433797, 500535, 557739, 722995, 929565, 1301391, 1501605, 2168985, 2788695, 3904173, 6506955, 19520865]

約数ペア:

[(1, 19520865), (3, 6506955), (5, 3904173), (7, 2788695), (9, 2168985), (13, 1501605), (15, 1301391), (21, 929565), (27, 722995), (35, 557739), (39, 500535), (45, 433797), (49, 398385), (63, 309855), (65, 300321), (91, 214515), (105, 185913), (117, 166845), (135, 144599), (147, 132795), (189, 103285), (195, 100107), (227, 85995), (245, 79677), (273, 71505), (315, 61971), (351, 55615), (441, 44265), (455, 42903), (585, 33369), (637, 30645), (681, 28665), (735, 26559), (819, 23835), (945, 20657), (1135, 17199), (1323, 14755), (1365, 14301), (1589, 12285), (1755, 11123), (1911, 10215), (2043, 9555), (2205, 8853), (2457, 7945), (2951, 6615), (3185, 6129), (3405, 5733), (4095, 4767)]