18412688

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 41306880

約数和(自身を除く): 22894192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2081, 2212, 4162, 4424, 8324, 8848, 14567, 16648, 29134, 33296, 58268, 116536, 164399, 233072, 328798, 657596, 1150793, 1315192, 2301586, 2630384, 4603172, 9206344, 18412688]

約数ペア:

[(1, 18412688), (2, 9206344), (4, 4603172), (7, 2630384), (8, 2301586), (14, 1315192), (16, 1150793), (28, 657596), (56, 328798), (79, 233072), (112, 164399), (158, 116536), (316, 58268), (553, 33296), (632, 29134), (1106, 16648), (1264, 14567), (2081, 8848), (2212, 8324), (4162, 4424)]