19089960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 57585600

約数和(自身を除く): 38495640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 619, 771, 1028, 1238, 1285, 1542, 1857, 2056, 2476, 2570, 3084, 3095, 3714, 3855, 4952, 5140, 6168, 6190, 7428, 7710, 9285, 10280, 12380, 14856, 15420, 18570, 24760, 30840, 37140, 74280, 159083, 318166, 477249, 636332, 795415, 954498, 1272664, 1590830, 1908996, 2386245, 3181660, 3817992, 4772490, 6363320, 9544980, 19089960]

約数ペア:

[(1, 19089960), (2, 9544980), (3, 6363320), (4, 4772490), (5, 3817992), (6, 3181660), (8, 2386245), (10, 1908996), (12, 1590830), (15, 1272664), (20, 954498), (24, 795415), (30, 636332), (40, 477249), (60, 318166), (120, 159083), (257, 74280), (514, 37140), (619, 30840), (771, 24760), (1028, 18570), (1238, 15420), (1285, 14856), (1542, 12380), (1857, 10280), (2056, 9285), (2476, 7710), (2570, 7428), (3084, 6190), (3095, 6168), (3714, 5140), (3855, 4952)]