19389666

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 39755520

約数和(自身を除く): 20365854

約数列:

[1, 2, 3, 6, 67, 134, 139, 201, 278, 347, 402, 417, 694, 834, 1041, 2082, 9313, 18626, 23249, 27939, 46498, 48233, 55878, 69747, 96466, 139494, 144699, 289398, 3231611, 6463222, 9694833, 19389666]

約数ペア:

[(1, 19389666), (2, 9694833), (3, 6463222), (6, 3231611), (67, 289398), (134, 144699), (139, 139494), (201, 96466), (278, 69747), (347, 55878), (402, 48233), (417, 46498), (694, 27939), (834, 23249), (1041, 18626), (2082, 9313)]