19275728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 39655200

約数和(自身を除く): 20379472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 389, 652, 778, 1304, 1556, 2608, 3097, 3112, 6194, 6224, 7391, 12388, 14782, 24776, 29564, 49552, 59128, 63407, 118256, 126814, 253628, 507256, 1014512, 1204733, 2409466, 4818932, 9637864, 19275728]

約数ペア:

[(1, 19275728), (2, 9637864), (4, 4818932), (8, 2409466), (16, 1204733), (19, 1014512), (38, 507256), (76, 253628), (152, 126814), (163, 118256), (304, 63407), (326, 59128), (389, 49552), (652, 29564), (778, 24776), (1304, 14782), (1556, 12388), (2608, 7391), (3097, 6224), (3112, 6194)]