18633573

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 34145280

約数和(自身を除く): 15511707

約数列:

[1, 3, 7, 9, 21, 29, 31, 47, 49, 63, 87, 93, 141, 147, 203, 217, 261, 279, 329, 423, 441, 609, 651, 899, 987, 1363, 1421, 1457, 1519, 1827, 1953, 2303, 2697, 2961, 4089, 4263, 4371, 4557, 6293, 6909, 8091, 9541, 10199, 12267, 12789, 13113, 13671, 18879, 20727, 28623, 30597, 42253, 44051, 56637, 66787, 71393, 85869, 91791, 126759, 132153, 200361, 214179, 295771, 380277, 396459, 601083, 642537, 887313, 2070397, 2661939, 6211191, 18633573]

約数ペア:

[(1, 18633573), (3, 6211191), (7, 2661939), (9, 2070397), (21, 887313), (29, 642537), (31, 601083), (47, 396459), (49, 380277), (63, 295771), (87, 214179), (93, 200361), (141, 132153), (147, 126759), (203, 91791), (217, 85869), (261, 71393), (279, 66787), (329, 56637), (423, 44051), (441, 42253), (609, 30597), (651, 28623), (899, 20727), (987, 18879), (1363, 13671), (1421, 13113), (1457, 12789), (1519, 12267), (1827, 10199), (1953, 9541), (2303, 8091), (2697, 6909), (2961, 6293), (4089, 4557), (4263, 4371)]