18909288

素因数分解:

$2^3\times 3^5\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 35341272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 137, 142, 162, 213, 216, 243, 274, 284, 324, 411, 426, 486, 548, 568, 639, 648, 822, 852, 972, 1096, 1233, 1278, 1644, 1704, 1917, 1944, 2466, 2556, 3288, 3699, 3834, 4932, 5112, 5751, 7398, 7668, 9727, 9864, 11097, 11502, 14796, 15336, 17253, 19454, 22194, 23004, 29181, 29592, 33291, 34506, 38908, 44388, 46008, 58362, 66582, 69012, 77816, 87543, 88776, 116724, 133164, 138024, 175086, 233448, 262629, 266328, 350172, 525258, 700344, 787887, 1050516, 1575774, 2101032, 2363661, 3151548, 4727322, 6303096, 9454644, 18909288]

約数ペア:

[(1, 18909288), (2, 9454644), (3, 6303096), (4, 4727322), (6, 3151548), (8, 2363661), (9, 2101032), (12, 1575774), (18, 1050516), (24, 787887), (27, 700344), (36, 525258), (54, 350172), (71, 266328), (72, 262629), (81, 233448), (108, 175086), (137, 138024), (142, 133164), (162, 116724), (213, 88776), (216, 87543), (243, 77816), (274, 69012), (284, 66582), (324, 58362), (411, 46008), (426, 44388), (486, 38908), (548, 34506), (568, 33291), (639, 29592), (648, 29181), (822, 23004), (852, 22194), (972, 19454), (1096, 17253), (1233, 15336), (1278, 14796), (1644, 11502), (1704, 11097), (1917, 9864), (1944, 9727), (2466, 7668), (2556, 7398), (3288, 5751), (3699, 5112), (3834, 4932)]