18843570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 50820480

約数和(自身を除く): 31976910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 101, 135, 202, 270, 303, 505, 606, 691, 909, 1010, 1382, 1515, 1818, 2073, 2727, 3030, 3455, 4146, 4545, 5454, 6219, 6910, 9090, 10365, 12438, 13635, 18657, 20730, 27270, 31095, 37314, 62190, 69791, 93285, 139582, 186570, 209373, 348955, 418746, 628119, 697910, 1046865, 1256238, 1884357, 2093730, 3140595, 3768714, 6281190, 9421785, 18843570]

約数ペア:

[(1, 18843570), (2, 9421785), (3, 6281190), (5, 3768714), (6, 3140595), (9, 2093730), (10, 1884357), (15, 1256238), (18, 1046865), (27, 697910), (30, 628119), (45, 418746), (54, 348955), (90, 209373), (101, 186570), (135, 139582), (202, 93285), (270, 69791), (303, 62190), (505, 37314), (606, 31095), (691, 27270), (909, 20730), (1010, 18657), (1382, 13635), (1515, 12438), (1818, 10365), (2073, 9090), (2727, 6910), (3030, 6219), (3455, 5454), (4146, 4545)]