19555888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4873

約数の個数: 40

約数和(自身を含む): 43140096

約数和(自身を除く): 23584208

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4831, 9662, 19324, 38648, 53141, 77296, 106282, 111113, 212564, 222226, 425128, 444452, 850256, 888904, 1222243, 1777808, 2444486, 4888972, 9777944, 19555888]

約数ペア:

[(1, 19555888), (2, 9777944), (4, 4888972), (8, 2444486), (11, 1777808), (16, 1222243), (22, 888904), (23, 850256), (44, 444452), (46, 425128), (88, 222226), (92, 212564), (176, 111113), (184, 106282), (253, 77296), (368, 53141), (506, 38648), (1012, 19324), (2024, 9662), (4048, 4831)]