19419894

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2243}}^1$

素因数の和:2301

約数の個数: 48

約数和(自身を含む): 46558512

約数和(自身を除く): 27138618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2243, 2886, 4329, 4486, 6729, 8658, 13458, 20187, 29159, 40374, 58318, 82991, 87477, 165982, 174954, 248973, 262431, 497946, 524862, 746919, 1078883, 1493838, 2157766, 3236649, 6473298, 9709947, 19419894]

約数ペア:

[(1, 19419894), (2, 9709947), (3, 6473298), (6, 3236649), (9, 2157766), (13, 1493838), (18, 1078883), (26, 746919), (37, 524862), (39, 497946), (74, 262431), (78, 248973), (111, 174954), (117, 165982), (222, 87477), (234, 82991), (333, 58318), (481, 40374), (666, 29159), (962, 20187), (1443, 13458), (2243, 8658), (2886, 6729), (4329, 4486)]