19337955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 39395328

約数和(自身を除く): 20057373

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 217, 273, 403, 455, 457, 465, 651, 1085, 1209, 1365, 1371, 2015, 2285, 2821, 3199, 3255, 5941, 6045, 6855, 8463, 9597, 14105, 14167, 15995, 17823, 29705, 41587, 42315, 42501, 47985, 70835, 89115, 99169, 124761, 184171, 207935, 212505, 297507, 495845, 552513, 623805, 920855, 1289197, 1487535, 2762565, 3867591, 6445985, 19337955]

約数ペア:

[(1, 19337955), (3, 6445985), (5, 3867591), (7, 2762565), (13, 1487535), (15, 1289197), (21, 920855), (31, 623805), (35, 552513), (39, 495845), (65, 297507), (91, 212505), (93, 207935), (105, 184171), (155, 124761), (195, 99169), (217, 89115), (273, 70835), (403, 47985), (455, 42501), (457, 42315), (465, 41587), (651, 29705), (1085, 17823), (1209, 15995), (1365, 14167), (1371, 14105), (2015, 9597), (2285, 8463), (2821, 6855), (3199, 6045), (3255, 5941)]