18271620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 56137536

約数和(自身を除く): 37865916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1223, 1245, 1494, 1660, 2446, 2490, 2988, 3669, 3735, 4892, 4980, 6115, 7338, 7470, 11007, 12230, 14676, 14940, 18345, 22014, 24460, 36690, 44028, 55035, 73380, 101509, 110070, 203018, 220140, 304527, 406036, 507545, 609054, 913581, 1015090, 1218108, 1522635, 1827162, 2030180, 3045270, 3654324, 4567905, 6090540, 9135810, 18271620]

約数ペア:

[(1, 18271620), (2, 9135810), (3, 6090540), (4, 4567905), (5, 3654324), (6, 3045270), (9, 2030180), (10, 1827162), (12, 1522635), (15, 1218108), (18, 1015090), (20, 913581), (30, 609054), (36, 507545), (45, 406036), (60, 304527), (83, 220140), (90, 203018), (166, 110070), (180, 101509), (249, 73380), (332, 55035), (415, 44028), (498, 36690), (747, 24460), (830, 22014), (996, 18345), (1223, 14940), (1245, 14676), (1494, 12230), (1660, 11007), (2446, 7470), (2490, 7338), (2988, 6115), (3669, 4980), (3735, 4892)]