19411450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 39231864

約数和(自身を除く): 19820414

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 557, 697, 850, 1025, 1114, 1394, 2050, 2785, 3485, 5570, 6970, 9469, 13925, 17425, 18938, 22837, 27850, 34850, 45674, 47345, 94690, 114185, 228370, 236725, 388229, 473450, 570925, 776458, 1141850, 1941145, 3882290, 9705725, 19411450]

約数ペア:

[(1, 19411450), (2, 9705725), (5, 3882290), (10, 1941145), (17, 1141850), (25, 776458), (34, 570925), (41, 473450), (50, 388229), (82, 236725), (85, 228370), (170, 114185), (205, 94690), (410, 47345), (425, 45674), (557, 34850), (697, 27850), (850, 22837), (1025, 18938), (1114, 17425), (1394, 13925), (2050, 9469), (2785, 6970), (3485, 5570)]