19672376

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 37784880

約数和(自身を除く): 18112504

約数列:

[1, 2, 4, 8, 97, 101, 194, 202, 251, 388, 404, 502, 776, 808, 1004, 2008, 9797, 19594, 24347, 25351, 39188, 48694, 50702, 78376, 97388, 101404, 194776, 202808, 2459047, 4918094, 9836188, 19672376]

約数ペア:

[(1, 19672376), (2, 9836188), (4, 4918094), (8, 2459047), (97, 202808), (101, 194776), (194, 101404), (202, 97388), (251, 78376), (388, 50702), (404, 48694), (502, 39188), (776, 25351), (808, 24347), (1004, 19594), (2008, 9797)]