19921120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6553}}^1$

素因数の和:6587

約数の個数: 48

約数和(自身を含む): 49548240

約数和(自身を除く): 29627120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6553, 13106, 26212, 32765, 52424, 65530, 104848, 124507, 131060, 209696, 249014, 262120, 498028, 524240, 622535, 996056, 1048480, 1245070, 1992112, 2490140, 3984224, 4980280, 9960560, 19921120]

約数ペア:

[(1, 19921120), (2, 9960560), (4, 4980280), (5, 3984224), (8, 2490140), (10, 1992112), (16, 1245070), (19, 1048480), (20, 996056), (32, 622535), (38, 524240), (40, 498028), (76, 262120), (80, 249014), (95, 209696), (152, 131060), (160, 124507), (190, 104848), (304, 65530), (380, 52424), (608, 32765), (760, 26212), (1520, 13106), (3040, 6553)]