18612840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 56390400

約数和(自身を除く): 37777560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1423, 1635, 2180, 2616, 2846, 3270, 4269, 4360, 5692, 6540, 7115, 8538, 11384, 13080, 14230, 17076, 21345, 28460, 34152, 42690, 56920, 85380, 155107, 170760, 310214, 465321, 620428, 775535, 930642, 1240856, 1551070, 1861284, 2326605, 3102140, 3722568, 4653210, 6204280, 9306420, 18612840]

約数ペア:

[(1, 18612840), (2, 9306420), (3, 6204280), (4, 4653210), (5, 3722568), (6, 3102140), (8, 2326605), (10, 1861284), (12, 1551070), (15, 1240856), (20, 930642), (24, 775535), (30, 620428), (40, 465321), (60, 310214), (109, 170760), (120, 155107), (218, 85380), (327, 56920), (436, 42690), (545, 34152), (654, 28460), (872, 21345), (1090, 17076), (1308, 14230), (1423, 13080), (1635, 11384), (2180, 8538), (2616, 7115), (2846, 6540), (3270, 5692), (4269, 4360)]