19414060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 42561792

約数和(自身を除く): 23147732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 181, 310, 346, 362, 620, 692, 724, 865, 905, 1730, 1810, 3460, 3620, 5363, 5611, 10726, 11222, 21452, 22444, 26815, 28055, 31313, 53630, 56110, 62626, 107260, 112220, 125252, 156565, 313130, 626260, 970703, 1941406, 3882812, 4853515, 9707030, 19414060]

約数ペア:

[(1, 19414060), (2, 9707030), (4, 4853515), (5, 3882812), (10, 1941406), (20, 970703), (31, 626260), (62, 313130), (124, 156565), (155, 125252), (173, 112220), (181, 107260), (310, 62626), (346, 56110), (362, 53630), (620, 31313), (692, 28055), (724, 26815), (865, 22444), (905, 21452), (1730, 11222), (1810, 10726), (3460, 5611), (3620, 5363)]