18290240

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1015

約数の個数: 56

約数和(自身を含む): 44314872

約数和(自身を除く): 26024632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 937, 976, 1220, 1874, 1952, 2440, 3748, 3904, 4685, 4880, 7496, 9370, 9760, 14992, 18740, 19520, 29984, 37480, 57157, 59968, 74960, 114314, 149920, 228628, 285785, 299840, 457256, 571570, 914512, 1143140, 1829024, 2286280, 3658048, 4572560, 9145120, 18290240]

約数ペア:

[(1, 18290240), (2, 9145120), (4, 4572560), (5, 3658048), (8, 2286280), (10, 1829024), (16, 1143140), (20, 914512), (32, 571570), (40, 457256), (61, 299840), (64, 285785), (80, 228628), (122, 149920), (160, 114314), (244, 74960), (305, 59968), (320, 57157), (488, 37480), (610, 29984), (937, 19520), (976, 18740), (1220, 14992), (1874, 9760), (1952, 9370), (2440, 7496), (3748, 4880), (3904, 4685)]