18448240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 46202400

約数和(自身を除く): 27754160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 229, 265, 304, 380, 424, 458, 530, 760, 848, 916, 1007, 1060, 1145, 1520, 1832, 2014, 2120, 2290, 3664, 4028, 4240, 4351, 4580, 5035, 8056, 8702, 9160, 10070, 12137, 16112, 17404, 18320, 20140, 21755, 24274, 34808, 40280, 43510, 48548, 60685, 69616, 80560, 87020, 97096, 121370, 174040, 194192, 230603, 242740, 348080, 461206, 485480, 922412, 970960, 1153015, 1844824, 2306030, 3689648, 4612060, 9224120, 18448240]

約数ペア:

[(1, 18448240), (2, 9224120), (4, 4612060), (5, 3689648), (8, 2306030), (10, 1844824), (16, 1153015), (19, 970960), (20, 922412), (38, 485480), (40, 461206), (53, 348080), (76, 242740), (80, 230603), (95, 194192), (106, 174040), (152, 121370), (190, 97096), (212, 87020), (229, 80560), (265, 69616), (304, 60685), (380, 48548), (424, 43510), (458, 40280), (530, 34808), (760, 24274), (848, 21755), (916, 20140), (1007, 18320), (1060, 17404), (1145, 16112), (1520, 12137), (1832, 10070), (2014, 9160), (2120, 8702), (2290, 8056), (3664, 5035), (4028, 4580), (4240, 4351)]