18992118

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 38915712

約数和(自身を除く): 19923594

約数列:

[1, 2, 3, 6, 73, 131, 146, 219, 262, 331, 393, 438, 662, 786, 993, 1986, 9563, 19126, 24163, 28689, 43361, 48326, 57378, 72489, 86722, 130083, 144978, 260166, 3165353, 6330706, 9496059, 18992118]

約数ペア:

[(1, 18992118), (2, 9496059), (3, 6330706), (6, 3165353), (73, 260166), (131, 144978), (146, 130083), (219, 86722), (262, 72489), (331, 57378), (393, 48326), (438, 43361), (662, 28689), (786, 24163), (993, 19126), (1986, 9563)]