19422764

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 36325464

約数和(自身を除く): 16902700

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 137, 268, 274, 529, 548, 1058, 1541, 2116, 3082, 3151, 6164, 6302, 9179, 12604, 18358, 35443, 36716, 70886, 72473, 141772, 144946, 211117, 289892, 422234, 844468, 4855691, 9711382, 19422764]

約数ペア:

[(1, 19422764), (2, 9711382), (4, 4855691), (23, 844468), (46, 422234), (67, 289892), (92, 211117), (134, 144946), (137, 141772), (268, 72473), (274, 70886), (529, 36716), (548, 35443), (1058, 18358), (1541, 12604), (2116, 9179), (3082, 6302), (3151, 6164)]