19458894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 48416256

約数和(自身を除く): 28957362

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 157, 182, 227, 273, 314, 454, 471, 546, 681, 942, 1099, 1362, 1589, 2041, 2198, 2951, 3178, 3297, 4082, 4767, 5902, 6123, 6594, 8853, 9534, 12246, 14287, 17706, 20657, 28574, 35639, 41314, 42861, 61971, 71278, 85722, 106917, 123942, 213834, 249473, 463307, 498946, 748419, 926614, 1389921, 1496838, 2779842, 3243149, 6486298, 9729447, 19458894]

約数ペア:

[(1, 19458894), (2, 9729447), (3, 6486298), (6, 3243149), (7, 2779842), (13, 1496838), (14, 1389921), (21, 926614), (26, 748419), (39, 498946), (42, 463307), (78, 249473), (91, 213834), (157, 123942), (182, 106917), (227, 85722), (273, 71278), (314, 61971), (454, 42861), (471, 41314), (546, 35639), (681, 28574), (942, 20657), (1099, 17706), (1362, 14287), (1589, 12246), (2041, 9534), (2198, 8853), (2951, 6594), (3178, 6123), (3297, 5902), (4082, 4767)]