19449716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 41112960

約数和(自身を除く): 21663244

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 919, 962, 1628, 1838, 1924, 3676, 5291, 10109, 10582, 11947, 20218, 21164, 23894, 34003, 40436, 47788, 68006, 131417, 136012, 262834, 374033, 442039, 525668, 748066, 884078, 1496132, 1768156, 4862429, 9724858, 19449716]

約数ペア:

[(1, 19449716), (2, 9724858), (4, 4862429), (11, 1768156), (13, 1496132), (22, 884078), (26, 748066), (37, 525668), (44, 442039), (52, 374033), (74, 262834), (143, 136012), (148, 131417), (286, 68006), (407, 47788), (481, 40436), (572, 34003), (814, 23894), (919, 21164), (962, 20218), (1628, 11947), (1838, 10582), (1924, 10109), (3676, 5291)]