19647108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41981}}^1$

素因数の和:42004

約数の個数: 36

約数和(自身を含む): 53485068

約数和(自身を除く): 33837960

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 41981, 83962, 125943, 167924, 251886, 377829, 503772, 545753, 755658, 1091506, 1511316, 1637259, 2183012, 3274518, 4911777, 6549036, 9823554, 19647108]

約数ペア:

[(1, 19647108), (2, 9823554), (3, 6549036), (4, 4911777), (6, 3274518), (9, 2183012), (12, 1637259), (13, 1511316), (18, 1091506), (26, 755658), (36, 545753), (39, 503772), (52, 377829), (78, 251886), (117, 167924), (156, 125943), (234, 83962), (468, 41981)]