18999960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22619}}^1$

素因数の和:22640

約数の個数: 64

約数和(自身を含む): 65145600

約数和(自身を除く): 46145640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22619, 45238, 67857, 90476, 113095, 135714, 158333, 180952, 226190, 271428, 316666, 339285, 452380, 474999, 542856, 633332, 678570, 791665, 904760, 949998, 1266664, 1357140, 1583330, 1899996, 2374995, 2714280, 3166660, 3799992, 4749990, 6333320, 9499980, 18999960]

約数ペア:

[(1, 18999960), (2, 9499980), (3, 6333320), (4, 4749990), (5, 3799992), (6, 3166660), (7, 2714280), (8, 2374995), (10, 1899996), (12, 1583330), (14, 1357140), (15, 1266664), (20, 949998), (21, 904760), (24, 791665), (28, 678570), (30, 633332), (35, 542856), (40, 474999), (42, 452380), (56, 339285), (60, 316666), (70, 271428), (84, 226190), (105, 180952), (120, 158333), (140, 135714), (168, 113095), (210, 90476), (280, 67857), (420, 45238), (840, 22619)]