18731864

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 17253736

約数列:

[1, 2, 4, 8, 97, 101, 194, 202, 239, 388, 404, 478, 776, 808, 956, 1912, 9797, 19594, 23183, 24139, 39188, 46366, 48278, 78376, 92732, 96556, 185464, 193112, 2341483, 4682966, 9365932, 18731864]

約数ペア:

[(1, 18731864), (2, 9365932), (4, 4682966), (8, 2341483), (97, 193112), (101, 185464), (194, 96556), (202, 92732), (239, 78376), (388, 48278), (404, 46366), (478, 39188), (776, 24139), (808, 23183), (956, 19594), (1912, 9797)]