18678840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{155657}}^1$

素因数の和:155671

約数の個数: 32

約数和(自身を含む): 56036880

約数和(自身を除く): 37358040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 155657, 311314, 466971, 622628, 778285, 933942, 1245256, 1556570, 1867884, 2334855, 3113140, 3735768, 4669710, 6226280, 9339420, 18678840]

約数ペア:

[(1, 18678840), (2, 9339420), (3, 6226280), (4, 4669710), (5, 3735768), (6, 3113140), (8, 2334855), (10, 1867884), (12, 1556570), (15, 1245256), (20, 933942), (24, 778285), (30, 622628), (40, 466971), (60, 311314), (120, 155657)]