19469505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 16842687

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 631, 935, 1815, 1893, 2057, 2805, 3155, 6171, 6941, 9465, 10285, 10727, 20823, 30855, 32181, 34705, 53635, 76351, 104115, 117997, 160905, 229053, 353991, 381755, 589985, 1145265, 1297967, 1769955, 3893901, 6489835, 19469505]

約数ペア:

[(1, 19469505), (3, 6489835), (5, 3893901), (11, 1769955), (15, 1297967), (17, 1145265), (33, 589985), (51, 381755), (55, 353991), (85, 229053), (121, 160905), (165, 117997), (187, 104115), (255, 76351), (363, 53635), (561, 34705), (605, 32181), (631, 30855), (935, 20823), (1815, 10727), (1893, 10285), (2057, 9465), (2805, 6941), (3155, 6171)]