19258965

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 38342304

約数和(自身を除く): 19083339

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 131, 135, 165, 243, 297, 363, 393, 405, 495, 605, 655, 891, 1089, 1179, 1215, 1441, 1485, 1815, 1965, 2673, 3267, 3537, 4323, 4455, 5445, 5895, 7205, 9801, 10611, 12969, 13365, 15851, 16335, 17685, 21615, 29403, 31833, 38907, 47553, 49005, 53055, 64845, 79255, 116721, 142659, 147015, 159165, 194535, 237765, 350163, 427977, 583605, 713295, 1283931, 1750815, 2139885, 3851793, 6419655, 19258965]

約数ペア:

[(1, 19258965), (3, 6419655), (5, 3851793), (9, 2139885), (11, 1750815), (15, 1283931), (27, 713295), (33, 583605), (45, 427977), (55, 350163), (81, 237765), (99, 194535), (121, 159165), (131, 147015), (135, 142659), (165, 116721), (243, 79255), (297, 64845), (363, 53055), (393, 49005), (405, 47553), (495, 38907), (605, 31833), (655, 29403), (891, 21615), (1089, 17685), (1179, 16335), (1215, 15851), (1441, 13365), (1485, 12969), (1815, 10611), (1965, 9801), (2673, 7205), (3267, 5895), (3537, 5445), (4323, 4455)]