19773216

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1054

約数の個数: 72

約数和(自身を含む): 57081024

約数和(自身を除く): 37307808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 967, 1136, 1278, 1704, 1934, 2272, 2556, 2901, 3408, 3868, 5112, 5802, 6816, 7736, 8703, 10224, 11604, 15472, 17406, 20448, 23208, 30944, 34812, 46416, 68657, 69624, 92832, 137314, 139248, 205971, 274628, 278496, 411942, 549256, 617913, 823884, 1098512, 1235826, 1647768, 2197024, 2471652, 3295536, 4943304, 6591072, 9886608, 19773216]

約数ペア:

[(1, 19773216), (2, 9886608), (3, 6591072), (4, 4943304), (6, 3295536), (8, 2471652), (9, 2197024), (12, 1647768), (16, 1235826), (18, 1098512), (24, 823884), (32, 617913), (36, 549256), (48, 411942), (71, 278496), (72, 274628), (96, 205971), (142, 139248), (144, 137314), (213, 92832), (284, 69624), (288, 68657), (426, 46416), (568, 34812), (639, 30944), (852, 23208), (967, 20448), (1136, 17406), (1278, 15472), (1704, 11604), (1934, 10224), (2272, 8703), (2556, 7736), (2901, 6816), (3408, 5802), (3868, 5112)]