20118085419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^2\times {\mathrm{487}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 29023975680

約数和(自身を除く): 8905890261

約数列:

[1, 3, 19, 57, 61, 109, 183, 327, 487, 1159, 1461, 2071, 3477, 6213, 6649, 9253, 11881, 19947, 27759, 29707, 35643, 53083, 89121, 126331, 159249, 225739, 378993, 564433, 677217, 724741, 1008577, 1693299, 2174223, 3025731, 3238063, 5786047, 9714189, 13770079, 17358141, 41310237, 61523197, 109934893, 184569591, 329804679, 352948867, 1058846601, 6706028473, 20118085419]

約数ペア:

[(1, 20118085419), (3, 6706028473), (19, 1058846601), (57, 352948867), (61, 329804679), (109, 184569591), (183, 109934893), (327, 61523197), (487, 41310237), (1159, 17358141), (1461, 13770079), (2071, 9714189), (3477, 5786047), (6213, 3238063), (6649, 3025731), (9253, 2174223), (11881, 1693299), (19947, 1008577), (27759, 724741), (29707, 677217), (35643, 564433), (53083, 378993), (89121, 225739), (126331, 159249)]