18949194

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 51148800

約数和(自身を除く): 32199606

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 38, 46, 54, 57, 66, 69, 73, 99, 114, 138, 146, 171, 198, 207, 209, 219, 253, 297, 342, 414, 418, 437, 438, 506, 513, 594, 621, 627, 657, 759, 803, 874, 1026, 1242, 1254, 1311, 1314, 1387, 1518, 1606, 1679, 1881, 1971, 2277, 2409, 2622, 2774, 3358, 3762, 3933, 3942, 4161, 4554, 4807, 4818, 5037, 5643, 6831, 7227, 7866, 8322, 9614, 10074, 11286, 11799, 12483, 13662, 14421, 14454, 15111, 15257, 18469, 21681, 23598, 24966, 28842, 30222, 30514, 31901, 36938, 37449, 43263, 43362, 45333, 45771, 55407, 63802, 74898, 86526, 90666, 91542, 95703, 110814, 129789, 137313, 166221, 191406, 259578, 274626, 287109, 332442, 350911, 411939, 498663, 574218, 701822, 823878, 861327, 997326, 1052733, 1722654, 2105466, 3158199, 6316398, 9474597, 18949194]

約数ペア:

[(1, 18949194), (2, 9474597), (3, 6316398), (6, 3158199), (9, 2105466), (11, 1722654), (18, 1052733), (19, 997326), (22, 861327), (23, 823878), (27, 701822), (33, 574218), (38, 498663), (46, 411939), (54, 350911), (57, 332442), (66, 287109), (69, 274626), (73, 259578), (99, 191406), (114, 166221), (138, 137313), (146, 129789), (171, 110814), (198, 95703), (207, 91542), (209, 90666), (219, 86526), (253, 74898), (297, 63802), (342, 55407), (414, 45771), (418, 45333), (437, 43362), (438, 43263), (506, 37449), (513, 36938), (594, 31901), (621, 30514), (627, 30222), (657, 28842), (759, 24966), (803, 23598), (874, 21681), (1026, 18469), (1242, 15257), (1254, 15111), (1311, 14454), (1314, 14421), (1387, 13662), (1518, 12483), (1606, 11799), (1679, 11286), (1881, 10074), (1971, 9614), (2277, 8322), (2409, 7866), (2622, 7227), (2774, 6831), (3358, 5643), (3762, 5037), (3933, 4818), (3942, 4807), (4161, 4554)]