18406720

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:707

約数の個数: 56

約数和(自身を含む): 44357544

約数和(自身を除く): 25950824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 593, 776, 970, 1186, 1552, 1940, 2372, 2965, 3104, 3880, 4744, 5930, 6208, 7760, 9488, 11860, 15520, 18976, 23720, 31040, 37952, 47440, 57521, 94880, 115042, 189760, 230084, 287605, 460168, 575210, 920336, 1150420, 1840672, 2300840, 3681344, 4601680, 9203360, 18406720]

約数ペア:

[(1, 18406720), (2, 9203360), (4, 4601680), (5, 3681344), (8, 2300840), (10, 1840672), (16, 1150420), (20, 920336), (32, 575210), (40, 460168), (64, 287605), (80, 230084), (97, 189760), (160, 115042), (194, 94880), (320, 57521), (388, 47440), (485, 37952), (593, 31040), (776, 23720), (970, 18976), (1186, 15520), (1552, 11860), (1940, 9488), (2372, 7760), (2965, 6208), (3104, 5930), (3880, 4744)]