16003928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 31800000

約数和(自身を除く): 15796072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 499, 844, 998, 1688, 1996, 3992, 4009, 8018, 9481, 16036, 18962, 32072, 37924, 75848, 105289, 210578, 421156, 842312, 2000491, 4000982, 8001964, 16003928]

約数ペア:

[(1, 16003928), (2, 8001964), (4, 4000982), (8, 2000491), (19, 842312), (38, 421156), (76, 210578), (152, 105289), (211, 75848), (422, 37924), (499, 32072), (844, 18962), (998, 16036), (1688, 9481), (1996, 8018), (3992, 4009)]