1899681579

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{26263}}^1$

素因数の和:26341

約数の個数: 40

約数和(自身を含む): 3050826240

約数和(自身を除く): 1151144661

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 423, 513, 893, 1269, 1539, 2679, 3807, 8037, 24111, 26263, 72333, 78789, 236367, 498997, 709101, 1234361, 1496991, 2127303, 3703083, 4490973, 11109249, 13472919, 23452859, 33327747, 40418757, 70358577, 99983241, 211075731, 633227193, 1899681579]

約数ペア:

[(1, 1899681579), (3, 633227193), (9, 211075731), (19, 99983241), (27, 70358577), (47, 40418757), (57, 33327747), (81, 23452859), (141, 13472919), (171, 11109249), (423, 4490973), (513, 3703083), (893, 2127303), (1269, 1496991), (1539, 1234361), (2679, 709101), (3807, 498997), (8037, 236367), (24111, 78789), (26263, 72333)]