18892593

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 12294927

約数列:

[1, 3, 9, 17, 19, 51, 57, 67, 97, 153, 171, 201, 291, 323, 603, 873, 969, 1139, 1273, 1649, 1843, 2907, 3417, 3819, 4947, 5529, 6499, 10251, 11457, 14841, 16587, 19497, 21641, 31331, 58491, 64923, 93993, 110483, 123481, 194769, 281979, 331449, 370443, 994347, 1111329, 2099177, 6297531, 18892593]

約数ペア:

[(1, 18892593), (3, 6297531), (9, 2099177), (17, 1111329), (19, 994347), (51, 370443), (57, 331449), (67, 281979), (97, 194769), (153, 123481), (171, 110483), (201, 93993), (291, 64923), (323, 58491), (603, 31331), (873, 21641), (969, 19497), (1139, 16587), (1273, 14841), (1649, 11457), (1843, 10251), (2907, 6499), (3417, 5529), (3819, 4947)]