18396420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43801}}^1$

素因数の和:43820

約数の個数: 48

約数和(自身を含む): 58869888

約数和(自身を除く): 40473468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43801, 87602, 131403, 175204, 219005, 262806, 306607, 438010, 525612, 613214, 657015, 876020, 919821, 1226428, 1314030, 1533035, 1839642, 2628060, 3066070, 3679284, 4599105, 6132140, 9198210, 18396420]

約数ペア:

[(1, 18396420), (2, 9198210), (3, 6132140), (4, 4599105), (5, 3679284), (6, 3066070), (7, 2628060), (10, 1839642), (12, 1533035), (14, 1314030), (15, 1226428), (20, 919821), (21, 876020), (28, 657015), (30, 613214), (35, 525612), (42, 438010), (60, 306607), (70, 262806), (84, 219005), (105, 175204), (140, 131403), (210, 87602), (420, 43801)]