18938136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 41541864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 349, 357, 399, 408, 456, 476, 532, 646, 698, 714, 798, 952, 969, 1047, 1064, 1292, 1396, 1428, 1596, 1938, 2094, 2261, 2443, 2584, 2792, 2856, 3192, 3876, 4188, 4522, 4886, 5933, 6631, 6783, 7329, 7752, 8376, 9044, 9772, 11866, 13262, 13566, 14658, 17799, 18088, 19544, 19893, 23732, 26524, 27132, 29316, 35598, 39786, 41531, 46417, 47464, 53048, 54264, 58632, 71196, 79572, 83062, 92834, 112727, 124593, 139251, 142392, 159144, 166124, 185668, 225454, 249186, 278502, 332248, 338181, 371336, 450908, 498372, 557004, 676362, 789089, 901816, 996744, 1114008, 1352724, 1578178, 2367267, 2705448, 3156356, 4734534, 6312712, 9469068, 18938136]

約数ペア:

[(1, 18938136), (2, 9469068), (3, 6312712), (4, 4734534), (6, 3156356), (7, 2705448), (8, 2367267), (12, 1578178), (14, 1352724), (17, 1114008), (19, 996744), (21, 901816), (24, 789089), (28, 676362), (34, 557004), (38, 498372), (42, 450908), (51, 371336), (56, 338181), (57, 332248), (68, 278502), (76, 249186), (84, 225454), (102, 185668), (114, 166124), (119, 159144), (133, 142392), (136, 139251), (152, 124593), (168, 112727), (204, 92834), (228, 83062), (238, 79572), (266, 71196), (323, 58632), (349, 54264), (357, 53048), (399, 47464), (408, 46417), (456, 41531), (476, 39786), (532, 35598), (646, 29316), (698, 27132), (714, 26524), (798, 23732), (952, 19893), (969, 19544), (1047, 18088), (1064, 17799), (1292, 14658), (1396, 13566), (1428, 13262), (1596, 11866), (1938, 9772), (2094, 9044), (2261, 8376), (2443, 7752), (2584, 7329), (2792, 6783), (2856, 6631), (3192, 5933), (3876, 4886), (4188, 4522)]