18904712

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 18420088

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 508, 809, 1016, 1618, 2921, 3236, 5842, 6472, 11684, 18607, 23368, 37214, 74428, 102743, 148856, 205486, 410972, 821944, 2363089, 4726178, 9452356, 18904712]

約数ペア:

[(1, 18904712), (2, 9452356), (4, 4726178), (8, 2363089), (23, 821944), (46, 410972), (92, 205486), (127, 148856), (184, 102743), (254, 74428), (508, 37214), (809, 23368), (1016, 18607), (1618, 11684), (2921, 6472), (3236, 5842)]