18681420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{619}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 33815220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 619, 1006, 1238, 1509, 1857, 2012, 2476, 2515, 3018, 3095, 3714, 5030, 6036, 6190, 7428, 7545, 9285, 10060, 12380, 15090, 18570, 30180, 37140, 311357, 622714, 934071, 1245428, 1556785, 1868142, 3113570, 3736284, 4670355, 6227140, 9340710, 18681420]

約数ペア:

[(1, 18681420), (2, 9340710), (3, 6227140), (4, 4670355), (5, 3736284), (6, 3113570), (10, 1868142), (12, 1556785), (15, 1245428), (20, 934071), (30, 622714), (60, 311357), (503, 37140), (619, 30180), (1006, 18570), (1238, 15090), (1509, 12380), (1857, 10060), (2012, 9285), (2476, 7545), (2515, 7428), (3018, 6190), (3095, 6036), (3714, 5030)]