18883568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5647}}^1$

素因数の和:5685

約数の個数: 40

約数和(自身を含む): 42021120

約数和(自身を除く): 23137552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5647, 11294, 22588, 45176, 62117, 90352, 107293, 124234, 214586, 248468, 429172, 496936, 858344, 993872, 1180223, 1716688, 2360446, 4720892, 9441784, 18883568]

約数ペア:

[(1, 18883568), (2, 9441784), (4, 4720892), (8, 2360446), (11, 1716688), (16, 1180223), (19, 993872), (22, 858344), (38, 496936), (44, 429172), (76, 248468), (88, 214586), (152, 124234), (176, 107293), (209, 90352), (304, 62117), (418, 45176), (836, 22588), (1672, 11294), (3344, 5647)]