19211520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5003}}^1$

素因数の和:5027

約数の個数: 72

約数和(自身を含む): 61369056

約数和(自身を除く): 42157536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5003, 10006, 15009, 20012, 25015, 30018, 40024, 50030, 60036, 75045, 80048, 100060, 120072, 150090, 160096, 200120, 240144, 300180, 320192, 400240, 480288, 600360, 640384, 800480, 960576, 1200720, 1280768, 1600960, 1921152, 2401440, 3201920, 3842304, 4802880, 6403840, 9605760, 19211520]

約数ペア:

[(1, 19211520), (2, 9605760), (3, 6403840), (4, 4802880), (5, 3842304), (6, 3201920), (8, 2401440), (10, 1921152), (12, 1600960), (15, 1280768), (16, 1200720), (20, 960576), (24, 800480), (30, 640384), (32, 600360), (40, 480288), (48, 400240), (60, 320192), (64, 300180), (80, 240144), (96, 200120), (120, 160096), (128, 150090), (160, 120072), (192, 100060), (240, 80048), (256, 75045), (320, 60036), (384, 50030), (480, 40024), (640, 30018), (768, 25015), (960, 20012), (1280, 15009), (1920, 10006), (3840, 5003)]