18406622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 13091362

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 557, 806, 1066, 1114, 1271, 2542, 7241, 14482, 16523, 17267, 22837, 33046, 34534, 45674, 224471, 296881, 448942, 593762, 707947, 1415894, 9203311, 18406622]

約数ペア:

[(1, 18406622), (2, 9203311), (13, 1415894), (26, 707947), (31, 593762), (41, 448942), (62, 296881), (82, 224471), (403, 45674), (533, 34534), (557, 33046), (806, 22837), (1066, 17267), (1114, 16523), (1271, 14482), (2542, 7241)]