19152100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 47371968

約数和(自身を除く): 28219868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 757, 1012, 1100, 1150, 1265, 1514, 2300, 2530, 3028, 3785, 5060, 6325, 7570, 8327, 12650, 15140, 16654, 17411, 18925, 25300, 33308, 34822, 37850, 41635, 69644, 75700, 83270, 87055, 166540, 174110, 191521, 208175, 348220, 383042, 416350, 435275, 766084, 832700, 870550, 957605, 1741100, 1915210, 3830420, 4788025, 9576050, 19152100]

約数ペア:

[(1, 19152100), (2, 9576050), (4, 4788025), (5, 3830420), (10, 1915210), (11, 1741100), (20, 957605), (22, 870550), (23, 832700), (25, 766084), (44, 435275), (46, 416350), (50, 383042), (55, 348220), (92, 208175), (100, 191521), (110, 174110), (115, 166540), (220, 87055), (230, 83270), (253, 75700), (275, 69644), (460, 41635), (506, 37850), (550, 34822), (575, 33308), (757, 25300), (1012, 18925), (1100, 17411), (1150, 16654), (1265, 15140), (1514, 12650), (2300, 8327), (2530, 7570), (3028, 6325), (3785, 5060)]