199819428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1737

約数の個数: 96

約数和(自身を含む): 536739840

約数和(自身を除く): 336920412

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 31, 34, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 186, 204, 228, 323, 372, 527, 589, 646, 969, 1054, 1178, 1292, 1581, 1663, 1767, 1938, 2108, 2356, 3162, 3326, 3534, 3876, 4989, 6324, 6652, 7068, 9978, 10013, 19956, 20026, 28271, 30039, 31597, 40052, 51553, 56542, 60078, 63194, 84813, 94791, 103106, 113084, 120156, 126388, 154659, 169626, 189582, 206212, 309318, 339252, 379164, 537149, 618636, 876401, 979507, 1074298, 1611447, 1752802, 1959014, 2148596, 2629203, 2938521, 3222894, 3505604, 3918028, 5258406, 5877042, 6445788, 10516812, 11754084, 16651619, 33303238, 49954857, 66606476, 99909714, 199819428]

約数ペア:

[(1, 199819428), (2, 99909714), (3, 66606476), (4, 49954857), (6, 33303238), (12, 16651619), (17, 11754084), (19, 10516812), (31, 6445788), (34, 5877042), (38, 5258406), (51, 3918028), (57, 3505604), (62, 3222894), (68, 2938521), (76, 2629203), (93, 2148596), (102, 1959014), (114, 1752802), (124, 1611447), (186, 1074298), (204, 979507), (228, 876401), (323, 618636), (372, 537149), (527, 379164), (589, 339252), (646, 309318), (969, 206212), (1054, 189582), (1178, 169626), (1292, 154659), (1581, 126388), (1663, 120156), (1767, 113084), (1938, 103106), (2108, 94791), (2356, 84813), (3162, 63194), (3326, 60078), (3534, 56542), (3876, 51553), (4989, 40052), (6324, 31597), (6652, 30039), (7068, 28271), (9978, 20026), (10013, 19956)]