19502528283

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{440347}}^1$

素因数の和:440416

約数の個数: 48

約数和(自身を含む): 34805105920

約数和(自身を除く): 15302577637

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 2109, 2331, 4921, 6327, 14763, 44289, 440347, 1321041, 3082429, 3963123, 8366593, 9247287, 16292839, 25099779, 27741861, 48878517, 58566151, 75299337, 114049873, 146635551, 175698453, 309563941, 342149619, 527095359, 928691823, 1026448857, 2166947587, 2786075469, 6500842761, 19502528283]

約数ペア:

[(1, 19502528283), (3, 6500842761), (7, 2786075469), (9, 2166947587), (19, 1026448857), (21, 928691823), (37, 527095359), (57, 342149619), (63, 309563941), (111, 175698453), (133, 146635551), (171, 114049873), (259, 75299337), (333, 58566151), (399, 48878517), (703, 27741861), (777, 25099779), (1197, 16292839), (2109, 9247287), (2331, 8366593), (4921, 3963123), (6327, 3082429), (14763, 1321041), (44289, 440347)]