19915008

素因数分解:

$2^8\times 3^1\times {\mathrm{25931}}^1$

素因数の和:25950

約数の個数: 36

約数和(自身を含む): 53005008

約数和(自身を除く): 33090000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 25931, 51862, 77793, 103724, 155586, 207448, 311172, 414896, 622344, 829792, 1244688, 1659584, 2489376, 3319168, 4978752, 6638336, 9957504, 19915008]

約数ペア:

[(1, 19915008), (2, 9957504), (3, 6638336), (4, 4978752), (6, 3319168), (8, 2489376), (12, 1659584), (16, 1244688), (24, 829792), (32, 622344), (48, 414896), (64, 311172), (96, 207448), (128, 155586), (192, 103724), (256, 77793), (384, 51862), (768, 25931)]