198543654

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 476636160

約数和(自身を除く): 278092506

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 61, 62, 93, 114, 122, 171, 183, 186, 279, 307, 342, 366, 549, 558, 589, 614, 921, 1098, 1159, 1178, 1767, 1842, 1891, 2318, 2763, 3477, 3534, 3782, 5301, 5526, 5673, 5833, 6954, 9517, 10431, 10602, 11346, 11666, 17019, 17499, 18727, 19034, 20862, 28551, 34038, 34998, 35929, 37454, 52497, 56181, 57102, 71858, 85653, 104994, 107787, 112362, 168543, 171306, 180823, 215574, 323361, 337086, 355813, 361646, 542469, 580537, 646722, 711626, 1067439, 1084938, 1161074, 1627407, 1741611, 2134878, 3202317, 3254814, 3483222, 5224833, 6404634, 10449666, 11030203, 22060406, 33090609, 66181218, 99271827, 198543654]

約数ペア:

[(1, 198543654), (2, 99271827), (3, 66181218), (6, 33090609), (9, 22060406), (18, 11030203), (19, 10449666), (31, 6404634), (38, 5224833), (57, 3483222), (61, 3254814), (62, 3202317), (93, 2134878), (114, 1741611), (122, 1627407), (171, 1161074), (183, 1084938), (186, 1067439), (279, 711626), (307, 646722), (342, 580537), (366, 542469), (549, 361646), (558, 355813), (589, 337086), (614, 323361), (921, 215574), (1098, 180823), (1159, 171306), (1178, 168543), (1767, 112362), (1842, 107787), (1891, 104994), (2318, 85653), (2763, 71858), (3477, 57102), (3534, 56181), (3782, 52497), (5301, 37454), (5526, 35929), (5673, 34998), (5833, 34038), (6954, 28551), (9517, 20862), (10431, 19034), (10602, 18727), (11346, 17499), (11666, 17019)]