18388680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 55460160

約数和(自身を除く): 37071480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 523, 586, 879, 1046, 1172, 1465, 1569, 1758, 2092, 2344, 2615, 2930, 3138, 3516, 4184, 4395, 5230, 5860, 6276, 7032, 7845, 8790, 10460, 11720, 12552, 15690, 17580, 20920, 31380, 35160, 62760, 153239, 306478, 459717, 612956, 766195, 919434, 1225912, 1532390, 1838868, 2298585, 3064780, 3677736, 4597170, 6129560, 9194340, 18388680]

約数ペア:

[(1, 18388680), (2, 9194340), (3, 6129560), (4, 4597170), (5, 3677736), (6, 3064780), (8, 2298585), (10, 1838868), (12, 1532390), (15, 1225912), (20, 919434), (24, 766195), (30, 612956), (40, 459717), (60, 306478), (120, 153239), (293, 62760), (523, 35160), (586, 31380), (879, 20920), (1046, 17580), (1172, 15690), (1465, 12552), (1569, 11720), (1758, 10460), (2092, 8790), (2344, 7845), (2615, 7032), (2930, 6276), (3138, 5860), (3516, 5230), (4184, 4395)]