18389760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{4789}}^1$

素因数の和:4813

約数の個数: 72

約数和(自身を含む): 58744560

約数和(自身を除く): 40354800

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, 4789, 9578, 14367, 19156, 23945, 28734, 38312, 47890, 57468, 71835, 76624, 95780, 114936, 143670, 153248, 191560, 229872, 287340, 306496, 383120, 459744, 574680, 612992, 766240, 919488, 1149360, 1225984, 1532480, 1838976, 2298720, 3064960, 3677952, 4597440, 6129920, 9194880, 18389760]

約数ペア:

[(1, 18389760), (2, 9194880), (3, 6129920), (4, 4597440), (5, 3677952), (6, 3064960), (8, 2298720), (10, 1838976), (12, 1532480), (15, 1225984), (16, 1149360), (20, 919488), (24, 766240), (30, 612992), (32, 574680), (40, 459744), (48, 383120), (60, 306496), (64, 287340), (80, 229872), (96, 191560), (120, 153248), (128, 143670), (160, 114936), (192, 95780), (240, 76624), (256, 71835), (320, 57468), (384, 47890), (480, 38312), (640, 28734), (768, 23945), (960, 19156), (1280, 14367), (1920, 9578), (3840, 4789)]