18710055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 40965120

約数和(自身を除く): 22255065

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1523, 1755, 2457, 4095, 4569, 7615, 10661, 12285, 13707, 19799, 22845, 31983, 41121, 53305, 59397, 68535, 95949, 98995, 138593, 159915, 178191, 205605, 287847, 296985, 415779, 479745, 534573, 692965, 890955, 1247337, 1439235, 2078895, 2672865, 3742011, 6236685, 18710055]

約数ペア:

[(1, 18710055), (3, 6236685), (5, 3742011), (7, 2672865), (9, 2078895), (13, 1439235), (15, 1247337), (21, 890955), (27, 692965), (35, 534573), (39, 479745), (45, 415779), (63, 296985), (65, 287847), (91, 205605), (105, 178191), (117, 159915), (135, 138593), (189, 98995), (195, 95949), (273, 68535), (315, 59397), (351, 53305), (455, 41121), (585, 31983), (819, 22845), (945, 19799), (1365, 13707), (1523, 12285), (1755, 10661), (2457, 7615), (4095, 4569)]