17917840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2309}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 42106680

約数和(自身を除く): 24188840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2309, 3880, 4618, 7760, 9236, 11545, 18472, 23090, 36944, 46180, 92360, 184720, 223973, 447946, 895892, 1119865, 1791784, 2239730, 3583568, 4479460, 8958920, 17917840]

約数ペア:

[(1, 17917840), (2, 8958920), (4, 4479460), (5, 3583568), (8, 2239730), (10, 1791784), (16, 1119865), (20, 895892), (40, 447946), (80, 223973), (97, 184720), (194, 92360), (388, 46180), (485, 36944), (776, 23090), (970, 18472), (1552, 11545), (1940, 9236), (2309, 7760), (3880, 4618)]