19798812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 58332456

約数和(自身を除く): 38533644

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 173, 187, 198, 204, 289, 306, 346, 374, 396, 519, 561, 578, 612, 692, 748, 867, 1038, 1122, 1156, 1557, 1683, 1734, 1903, 2076, 2244, 2601, 2941, 3114, 3179, 3366, 3468, 3806, 5202, 5709, 5882, 6228, 6358, 6732, 7612, 8823, 9537, 10404, 11418, 11764, 12716, 17127, 17646, 19074, 22836, 26469, 28611, 32351, 34254, 35292, 38148, 49997, 52938, 57222, 64702, 68508, 97053, 99994, 105876, 114444, 129404, 149991, 194106, 199988, 291159, 299982, 388212, 449973, 549967, 582318, 599964, 899946, 1099934, 1164636, 1649901, 1799892, 2199868, 3299802, 4949703, 6599604, 9899406, 19798812]

約数ペア:

[(1, 19798812), (2, 9899406), (3, 6599604), (4, 4949703), (6, 3299802), (9, 2199868), (11, 1799892), (12, 1649901), (17, 1164636), (18, 1099934), (22, 899946), (33, 599964), (34, 582318), (36, 549967), (44, 449973), (51, 388212), (66, 299982), (68, 291159), (99, 199988), (102, 194106), (132, 149991), (153, 129404), (173, 114444), (187, 105876), (198, 99994), (204, 97053), (289, 68508), (306, 64702), (346, 57222), (374, 52938), (396, 49997), (519, 38148), (561, 35292), (578, 34254), (612, 32351), (692, 28611), (748, 26469), (867, 22836), (1038, 19074), (1122, 17646), (1156, 17127), (1557, 12716), (1683, 11764), (1734, 11418), (1903, 10404), (2076, 9537), (2244, 8823), (2601, 7612), (2941, 6732), (3114, 6358), (3179, 6228), (3366, 5882), (3468, 5709), (3806, 5202)]