19445440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8681}}^1$

素因数の和:8705

約数の個数: 56

約数和(自身を含む): 52925472

約数和(自身を除く): 33480032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8681, 17362, 34724, 43405, 60767, 69448, 86810, 121534, 138896, 173620, 243068, 277792, 303835, 347240, 486136, 555584, 607670, 694480, 972272, 1215340, 1388960, 1944544, 2430680, 2777920, 3889088, 4861360, 9722720, 19445440]

約数ペア:

[(1, 19445440), (2, 9722720), (4, 4861360), (5, 3889088), (7, 2777920), (8, 2430680), (10, 1944544), (14, 1388960), (16, 1215340), (20, 972272), (28, 694480), (32, 607670), (35, 555584), (40, 486136), (56, 347240), (64, 303835), (70, 277792), (80, 243068), (112, 173620), (140, 138896), (160, 121534), (224, 86810), (280, 69448), (320, 60767), (448, 43405), (560, 34724), (1120, 17362), (2240, 8681)]