19791255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 17533545

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 59, 95, 107, 165, 177, 209, 285, 295, 321, 535, 627, 649, 885, 1045, 1121, 1177, 1605, 1947, 2033, 3135, 3245, 3363, 3531, 5605, 5885, 6099, 6313, 9735, 10165, 12331, 16815, 17655, 18939, 22363, 30495, 31565, 36993, 61655, 67089, 69443, 94695, 111815, 119947, 184965, 208329, 335445, 347215, 359841, 599735, 1041645, 1319417, 1799205, 3958251, 6597085, 19791255]

約数ペア:

[(1, 19791255), (3, 6597085), (5, 3958251), (11, 1799205), (15, 1319417), (19, 1041645), (33, 599735), (55, 359841), (57, 347215), (59, 335445), (95, 208329), (107, 184965), (165, 119947), (177, 111815), (209, 94695), (285, 69443), (295, 67089), (321, 61655), (535, 36993), (627, 31565), (649, 30495), (885, 22363), (1045, 18939), (1121, 17655), (1177, 16815), (1605, 12331), (1947, 10165), (2033, 9735), (3135, 6313), (3245, 6099), (3363, 5885), (3531, 5605)]