19877052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 51028992

約数和(自身を除く): 31151940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2711, 3666, 5422, 7332, 8133, 10844, 16266, 32532, 35243, 70486, 105729, 127417, 140972, 211458, 254834, 382251, 422916, 509668, 764502, 1529004, 1656421, 3312842, 4969263, 6625684, 9938526, 19877052]

約数ペア:

[(1, 19877052), (2, 9938526), (3, 6625684), (4, 4969263), (6, 3312842), (12, 1656421), (13, 1529004), (26, 764502), (39, 509668), (47, 422916), (52, 382251), (78, 254834), (94, 211458), (141, 140972), (156, 127417), (188, 105729), (282, 70486), (564, 35243), (611, 32532), (1222, 16266), (1833, 10844), (2444, 8133), (2711, 7332), (3666, 5422)]