18923894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13735306

約数列:

[1, 2, 11, 22, 23, 46, 149, 251, 253, 298, 502, 506, 1639, 2761, 3278, 3427, 5522, 5773, 6854, 11546, 37399, 37697, 63503, 74798, 75394, 127006, 411389, 822778, 860177, 1720354, 9461947, 18923894]

約数ペア:

[(1, 18923894), (2, 9461947), (11, 1720354), (22, 860177), (23, 822778), (46, 411389), (149, 127006), (251, 75394), (253, 74798), (298, 63503), (502, 37697), (506, 37399), (1639, 11546), (2761, 6854), (3278, 5773), (3427, 5522)]