2019918010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{4493}}^1$

素因数の和:4639

約数の個数: 64

約数和(自身を含む): 4092488064

約数和(自身を除く): 2072570054

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 67, 110, 122, 134, 305, 335, 610, 670, 671, 737, 1342, 1474, 3355, 3685, 4087, 4493, 6710, 7370, 8174, 8986, 20435, 22465, 40870, 44930, 44957, 49423, 89914, 98846, 224785, 247115, 274073, 301031, 449570, 494230, 548146, 602062, 1370365, 1505155, 2740730, 3010310, 3014803, 3311341, 6029606, 6622682, 15074015, 16556705, 18362891, 30148030, 33113410, 36725782, 91814455, 183628910, 201991801, 403983602, 1009959005, 2019918010]

約数ペア:

[(1, 2019918010), (2, 1009959005), (5, 403983602), (10, 201991801), (11, 183628910), (22, 91814455), (55, 36725782), (61, 33113410), (67, 30148030), (110, 18362891), (122, 16556705), (134, 15074015), (305, 6622682), (335, 6029606), (610, 3311341), (670, 3014803), (671, 3010310), (737, 2740730), (1342, 1505155), (1474, 1370365), (3355, 602062), (3685, 548146), (4087, 494230), (4493, 449570), (6710, 301031), (7370, 274073), (8174, 247115), (8986, 224785), (20435, 98846), (22465, 89914), (40870, 49423), (44930, 44957)]