19946060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 44174592

約数和(自身を除く): 24228532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 331, 460, 524, 655, 662, 1310, 1324, 1655, 2620, 3013, 3310, 6026, 6620, 7613, 12052, 15065, 15226, 30130, 30452, 38065, 43361, 60260, 76130, 86722, 152260, 173444, 216805, 433610, 867220, 997303, 1994606, 3989212, 4986515, 9973030, 19946060]

約数ペア:

[(1, 19946060), (2, 9973030), (4, 4986515), (5, 3989212), (10, 1994606), (20, 997303), (23, 867220), (46, 433610), (92, 216805), (115, 173444), (131, 152260), (230, 86722), (262, 76130), (331, 60260), (460, 43361), (524, 38065), (655, 30452), (662, 30130), (1310, 15226), (1324, 15065), (1655, 12052), (2620, 7613), (3013, 6620), (3310, 6026)]