17918994

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 36765504

約数和(自身を除く): 18846510

約数列:

[1, 2, 3, 6, 61, 122, 173, 183, 283, 346, 366, 519, 566, 849, 1038, 1698, 10553, 17263, 21106, 31659, 34526, 48959, 51789, 63318, 97918, 103578, 146877, 293754, 2986499, 5972998, 8959497, 17918994]

約数ペア:

[(1, 17918994), (2, 8959497), (3, 5972998), (6, 2986499), (61, 293754), (122, 146877), (173, 103578), (183, 97918), (283, 63318), (346, 51789), (366, 48959), (519, 34526), (566, 31659), (849, 21106), (1038, 17263), (1698, 10553)]