19155690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7883}}^1$

素因数の和:7905

約数の個数: 48

約数和(自身を含む): 51655968

約数和(自身を除く): 32500278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7883, 15766, 23649, 39415, 47298, 70947, 78830, 118245, 141894, 212841, 236490, 354735, 425682, 638523, 709470, 1064205, 1277046, 1915569, 2128410, 3192615, 3831138, 6385230, 9577845, 19155690]

約数ペア:

[(1, 19155690), (2, 9577845), (3, 6385230), (5, 3831138), (6, 3192615), (9, 2128410), (10, 1915569), (15, 1277046), (18, 1064205), (27, 709470), (30, 638523), (45, 425682), (54, 354735), (81, 236490), (90, 212841), (135, 141894), (162, 118245), (243, 78830), (270, 70947), (405, 47298), (486, 39415), (810, 23649), (1215, 15766), (2430, 7883)]