19305140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23877580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 503, 505, 1006, 1010, 1919, 2012, 2020, 2515, 3838, 5030, 7676, 9557, 9595, 10060, 19114, 19190, 38228, 38380, 47785, 50803, 95570, 101606, 191140, 203212, 254015, 508030, 965257, 1016060, 1930514, 3861028, 4826285, 9652570, 19305140]

約数ペア:

[(1, 19305140), (2, 9652570), (4, 4826285), (5, 3861028), (10, 1930514), (19, 1016060), (20, 965257), (38, 508030), (76, 254015), (95, 203212), (101, 191140), (190, 101606), (202, 95570), (380, 50803), (404, 47785), (503, 38380), (505, 38228), (1006, 19190), (1010, 19114), (1919, 10060), (2012, 9595), (2020, 9557), (2515, 7676), (3838, 5030)]