19380972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{439}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 48984320

約数和(自身を除く): 29603348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 283, 439, 566, 849, 878, 1132, 1317, 1698, 1756, 2634, 3396, 3679, 5268, 5707, 7358, 11037, 11414, 14716, 17121, 22074, 22828, 34242, 44148, 68484, 124237, 248474, 372711, 496948, 745422, 1490844, 1615081, 3230162, 4845243, 6460324, 9690486, 19380972]

約数ペア:

[(1, 19380972), (2, 9690486), (3, 6460324), (4, 4845243), (6, 3230162), (12, 1615081), (13, 1490844), (26, 745422), (39, 496948), (52, 372711), (78, 248474), (156, 124237), (283, 68484), (439, 44148), (566, 34242), (849, 22828), (878, 22074), (1132, 17121), (1317, 14716), (1698, 11414), (1756, 11037), (2634, 7358), (3396, 5707), (3679, 5268)]