19007505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 39536640

約数和(自身を除く): 20529135

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 43, 45, 47, 55, 57, 95, 99, 129, 141, 165, 171, 209, 215, 235, 285, 387, 423, 473, 495, 517, 627, 645, 705, 817, 855, 893, 1045, 1419, 1551, 1881, 1935, 2021, 2115, 2365, 2451, 2585, 2679, 3135, 4085, 4257, 4465, 4653, 6063, 7095, 7353, 7755, 8037, 8987, 9405, 9823, 10105, 12255, 13395, 18189, 21285, 22231, 23265, 26961, 29469, 30315, 36765, 38399, 40185, 44935, 49115, 66693, 80883, 88407, 90945, 111155, 115197, 134805, 147345, 191995, 200079, 333465, 345591, 404415, 422389, 442035, 575985, 1000395, 1267167, 1727955, 2111945, 3801501, 6335835, 19007505]

約数ペア:

[(1, 19007505), (3, 6335835), (5, 3801501), (9, 2111945), (11, 1727955), (15, 1267167), (19, 1000395), (33, 575985), (43, 442035), (45, 422389), (47, 404415), (55, 345591), (57, 333465), (95, 200079), (99, 191995), (129, 147345), (141, 134805), (165, 115197), (171, 111155), (209, 90945), (215, 88407), (235, 80883), (285, 66693), (387, 49115), (423, 44935), (473, 40185), (495, 38399), (517, 36765), (627, 30315), (645, 29469), (705, 26961), (817, 23265), (855, 22231), (893, 21285), (1045, 18189), (1419, 13395), (1551, 12255), (1881, 10105), (1935, 9823), (2021, 9405), (2115, 8987), (2365, 8037), (2451, 7755), (2585, 7353), (2679, 7095), (3135, 6063), (4085, 4653), (4257, 4465)]