18049760

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 43119216

約数和(自身を除く): 25069456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1163, 1552, 1940, 2326, 3104, 3880, 4652, 5815, 7760, 9304, 11630, 15520, 18608, 23260, 37216, 46520, 93040, 112811, 186080, 225622, 451244, 564055, 902488, 1128110, 1804976, 2256220, 3609952, 4512440, 9024880, 18049760]

約数ペア:

[(1, 18049760), (2, 9024880), (4, 4512440), (5, 3609952), (8, 2256220), (10, 1804976), (16, 1128110), (20, 902488), (32, 564055), (40, 451244), (80, 225622), (97, 186080), (160, 112811), (194, 93040), (388, 46520), (485, 37216), (776, 23260), (970, 18608), (1163, 15520), (1552, 11630), (1940, 9304), (2326, 7760), (3104, 5815), (3880, 4652)]