19156920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 38627400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 607, 789, 1052, 1214, 1315, 1578, 1821, 2104, 2428, 2630, 3035, 3156, 3642, 3945, 4856, 5260, 6070, 6312, 7284, 7890, 9105, 10520, 12140, 14568, 15780, 18210, 24280, 31560, 36420, 72840, 159641, 319282, 478923, 638564, 798205, 957846, 1277128, 1596410, 1915692, 2394615, 3192820, 3831384, 4789230, 6385640, 9578460, 19156920]

約数ペア:

[(1, 19156920), (2, 9578460), (3, 6385640), (4, 4789230), (5, 3831384), (6, 3192820), (8, 2394615), (10, 1915692), (12, 1596410), (15, 1277128), (20, 957846), (24, 798205), (30, 638564), (40, 478923), (60, 319282), (120, 159641), (263, 72840), (526, 36420), (607, 31560), (789, 24280), (1052, 18210), (1214, 15780), (1315, 14568), (1578, 12140), (1821, 10520), (2104, 9105), (2428, 7890), (2630, 7284), (3035, 6312), (3156, 6070), (3642, 5260), (3945, 4856)]