19675953

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 14446863

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 433, 459, 561, 891, 1299, 1377, 1683, 2673, 3897, 4131, 4763, 5049, 7361, 11691, 14289, 15147, 22083, 35073, 42867, 45441, 66249, 80971, 105219, 128601, 198747, 242913, 385803, 596241, 728739, 1157409, 1788723, 2186217, 6558651, 19675953]

約数ペア:

[(1, 19675953), (3, 6558651), (9, 2186217), (11, 1788723), (17, 1157409), (27, 728739), (33, 596241), (51, 385803), (81, 242913), (99, 198747), (153, 128601), (187, 105219), (243, 80971), (297, 66249), (433, 45441), (459, 42867), (561, 35073), (891, 22083), (1299, 15147), (1377, 14289), (1683, 11691), (2673, 7361), (3897, 5049), (4131, 4763)]