19380950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 39640320

約数和(自身を除く): 20259370

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 874, 887, 950, 1150, 1774, 2185, 4370, 4435, 8870, 10925, 16853, 20401, 21850, 22175, 33706, 40802, 44350, 84265, 102005, 168530, 204010, 387619, 421325, 510025, 775238, 842650, 1020050, 1938095, 3876190, 9690475, 19380950]

約数ペア:

[(1, 19380950), (2, 9690475), (5, 3876190), (10, 1938095), (19, 1020050), (23, 842650), (25, 775238), (38, 510025), (46, 421325), (50, 387619), (95, 204010), (115, 168530), (190, 102005), (230, 84265), (437, 44350), (475, 40802), (575, 33706), (874, 22175), (887, 21850), (950, 20401), (1150, 16853), (1774, 10925), (2185, 8870), (4370, 4435)]