8991522

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 20891520

約数和(自身を除く): 11899998

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 431, 549, 862, 1098, 1159, 1293, 2318, 2586, 3477, 3879, 6954, 7758, 8189, 10431, 16378, 20862, 24567, 26291, 49134, 52582, 73701, 78873, 147402, 157746, 236619, 473238, 499529, 999058, 1498587, 2997174, 4495761, 8991522]

約数ペア:

[(1, 8991522), (2, 4495761), (3, 2997174), (6, 1498587), (9, 999058), (18, 499529), (19, 473238), (38, 236619), (57, 157746), (61, 147402), (114, 78873), (122, 73701), (171, 52582), (183, 49134), (342, 26291), (366, 24567), (431, 20862), (549, 16378), (862, 10431), (1098, 8189), (1159, 7758), (1293, 6954), (2318, 3879), (2586, 3477)]