19772388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 53245920

約数和(自身を除く): 33473532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 211, 228, 274, 342, 411, 422, 548, 633, 684, 822, 844, 1233, 1266, 1644, 1899, 2466, 2532, 2603, 3798, 4009, 4932, 5206, 7596, 7809, 8018, 10412, 12027, 15618, 16036, 23427, 24054, 28907, 31236, 36081, 46854, 48108, 57814, 72162, 86721, 93708, 115628, 144324, 173442, 260163, 346884, 520326, 549233, 1040652, 1098466, 1647699, 2196932, 3295398, 4943097, 6590796, 9886194, 19772388]

約数ペア:

[(1, 19772388), (2, 9886194), (3, 6590796), (4, 4943097), (6, 3295398), (9, 2196932), (12, 1647699), (18, 1098466), (19, 1040652), (36, 549233), (38, 520326), (57, 346884), (76, 260163), (114, 173442), (137, 144324), (171, 115628), (211, 93708), (228, 86721), (274, 72162), (342, 57814), (411, 48108), (422, 46854), (548, 36081), (633, 31236), (684, 28907), (822, 24054), (844, 23427), (1233, 16036), (1266, 15618), (1644, 12027), (1899, 10412), (2466, 8018), (2532, 7809), (2603, 7596), (3798, 5206), (4009, 4932)]