18807888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 34760112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 179, 199, 264, 358, 398, 528, 537, 597, 716, 796, 1074, 1194, 1432, 1592, 1969, 2148, 2189, 2388, 2864, 3184, 3938, 4296, 4378, 4776, 5907, 6567, 7876, 8592, 8756, 9552, 11814, 13134, 15752, 17512, 23628, 26268, 31504, 35024, 35621, 47256, 52536, 71242, 94512, 105072, 106863, 142484, 213726, 284968, 391831, 427452, 569936, 783662, 854904, 1175493, 1567324, 1709808, 2350986, 3134648, 4701972, 6269296, 9403944, 18807888]

約数ペア:

[(1, 18807888), (2, 9403944), (3, 6269296), (4, 4701972), (6, 3134648), (8, 2350986), (11, 1709808), (12, 1567324), (16, 1175493), (22, 854904), (24, 783662), (33, 569936), (44, 427452), (48, 391831), (66, 284968), (88, 213726), (132, 142484), (176, 106863), (179, 105072), (199, 94512), (264, 71242), (358, 52536), (398, 47256), (528, 35621), (537, 35024), (597, 31504), (716, 26268), (796, 23628), (1074, 17512), (1194, 15752), (1432, 13134), (1592, 11814), (1969, 9552), (2148, 8756), (2189, 8592), (2388, 7876), (2864, 6567), (3184, 5907), (3938, 4776), (4296, 4378)]