18924228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 51178400

約数和(自身を除く): 32254172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 379, 438, 657, 684, 758, 876, 1137, 1314, 1387, 1516, 2274, 2628, 2774, 3411, 4161, 4548, 5548, 6822, 7201, 8322, 12483, 13644, 14402, 16644, 21603, 24966, 27667, 28804, 43206, 49932, 55334, 64809, 83001, 86412, 110668, 129618, 166002, 249003, 259236, 332004, 498006, 525673, 996012, 1051346, 1577019, 2102692, 3154038, 4731057, 6308076, 9462114, 18924228]

約数ペア:

[(1, 18924228), (2, 9462114), (3, 6308076), (4, 4731057), (6, 3154038), (9, 2102692), (12, 1577019), (18, 1051346), (19, 996012), (36, 525673), (38, 498006), (57, 332004), (73, 259236), (76, 249003), (114, 166002), (146, 129618), (171, 110668), (219, 86412), (228, 83001), (292, 64809), (342, 55334), (379, 49932), (438, 43206), (657, 28804), (684, 27667), (758, 24966), (876, 21603), (1137, 16644), (1314, 14402), (1387, 13644), (1516, 12483), (2274, 8322), (2628, 7201), (2774, 6822), (3411, 5548), (4161, 4548)]