18254720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2593}}^1$

素因数の和:2623

約数の個数: 64

約数和(自身を含む): 47625840

約数和(自身を除く): 29371120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2593, 3520, 5186, 7040, 10372, 12965, 20744, 25930, 28523, 41488, 51860, 57046, 82976, 103720, 114092, 142615, 165952, 207440, 228184, 285230, 331904, 414880, 456368, 570460, 829760, 912736, 1140920, 1659520, 1825472, 2281840, 3650944, 4563680, 9127360, 18254720]

約数ペア:

[(1, 18254720), (2, 9127360), (4, 4563680), (5, 3650944), (8, 2281840), (10, 1825472), (11, 1659520), (16, 1140920), (20, 912736), (22, 829760), (32, 570460), (40, 456368), (44, 414880), (55, 331904), (64, 285230), (80, 228184), (88, 207440), (110, 165952), (128, 142615), (160, 114092), (176, 103720), (220, 82976), (320, 57046), (352, 51860), (440, 41488), (640, 28523), (704, 25930), (880, 20744), (1408, 12965), (1760, 10372), (2593, 7040), (3520, 5186)]