16686256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 34372800

約数和(自身を除く): 17686544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 419, 524, 838, 1048, 1676, 2096, 2489, 3352, 4978, 6704, 7961, 9956, 15922, 19912, 31844, 39824, 54889, 63688, 109778, 127376, 219556, 439112, 878224, 1042891, 2085782, 4171564, 8343128, 16686256]

約数ペア:

[(1, 16686256), (2, 8343128), (4, 4171564), (8, 2085782), (16, 1042891), (19, 878224), (38, 439112), (76, 219556), (131, 127376), (152, 109778), (262, 63688), (304, 54889), (419, 39824), (524, 31844), (838, 19912), (1048, 15922), (1676, 9956), (2096, 7961), (2489, 6704), (3352, 4978)]