19770938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 14847814

約数列:

[1, 2, 11, 22, 23, 41, 46, 82, 253, 451, 506, 902, 943, 953, 1886, 1906, 10373, 10483, 20746, 20966, 21919, 39073, 43838, 78146, 241109, 429803, 482218, 859606, 898679, 1797358, 9885469, 19770938]

約数ペア:

[(1, 19770938), (2, 9885469), (11, 1797358), (22, 898679), (23, 859606), (41, 482218), (46, 429803), (82, 241109), (253, 78146), (451, 43838), (506, 39073), (902, 21919), (943, 20966), (953, 20746), (1886, 10483), (1906, 10373)]